A boat knife is an essential marine tool designed for cutting rope, fishing lines, and other onboard materials with precision and ease. Featuring a corrosion-resistant stainless steel blade, it is available in both folding and fixed blade options, often equipped with a marlin spike for rigging work.
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1-2 weeks delivery time The Osculati stainless steel sail knife is a compact folding marine knife featuring a corrosion-resistant stainless steel construction with a colored plastic-coated handle. Designed for sailing and general onboard use, it incorporates a 65 mm blade, integrated fid, and shackle opener. The knife measures 155 mm when open and 100 mm when folded, weighs 118 g, and is available with yellow, orange, or blue handles.
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$ 26.16
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1-2 weeks delivery time The Osculati Sailing Knife is manufactured from polished stainless steel and designed for sailing, rigging and onboard maintenance. It is supplied with a 65 mm stainless steel blade, integrated fid, folding shackle key and screwdriver. The knife measures 150 mm when open, 100 mm when closed and weighs 102 g.
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$ 26.16
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1-2 weeks delivery time The Osculati multi-function folding knife is manufactured from polished stainless steel and combines several essential onboard tools in a compact design. Equipped with a shackle key, fid, bottle opener, screwdriver and hook disgorger, it is suitable for sailing, fishing and general marine maintenance. Supplied in blister packaging with a 70 mm blade.
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$ 63.02
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1-2 weeks delivery time The Osculati sailing knife set includes a stainless steel knife with a wooden handle, a stainless steel fid with integrated shackle opener and a leather sheath with belt attachment. Designed for sailing, rigging and general onboard maintenance, the set combines practical rigging tools with durable construction and secure carrying. The knife features a 131 mm blade and is supplied complete with the protective leather sheath.
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$ 44.75
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1-2 weeks delivery time The Osculati floating folding knife is designed for emergency use aboard life rafts and survival equipment. Manufactured from floating stainless steel with an ergonomic plastic handle, it includes a 2 m polyester safety lanyard for secure handling and quick retrieval. Its buoyant construction helps prevent loss in the water during emergency situations.
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$ 11.69
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1-2 weeks delivery time The Marlow Waxed Whipping Twine is manufactured from waxed polyester and designed for rope whipping, sailmaking, rigging, and finishing applications. Available in No.2, No.4, and No.8 sizes with diameters from 0.5 mm to 1.1 mm and spool lengths from 20 m to 90 m. The range includes white, black, red, green, blue, orange, and natural colour options, providing durable and easy-to-handle twine for professional rope finishing and maintenance work.
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$ 8.55
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1-2 weeks delivery time The Marlow Whipping Twine is manufactured from waxed polyester and supplied on durable plastic spools for sail repair, rope whipping, and line splicing. Available in diameters from 0.5 mm to 1.1 mm, the range includes thin, medium, and thick thread options with spool lengths from 23 m to 92 m. Variants are offered in white, red, blue, and black.
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$ 115.66
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1-2 weeks delivery time The Marlow HMPE Whipping Twine is manufactured from HMPE and designed for applications where maximum durability and reliability are required. With a diameter of 0.9 mm and a spool length of 50 m, this whipping twine is suitable for rope finishing, rigging, and marine maintenance tasks. Available in black, white, red, blue, and yellow colour options.
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$ 83.41
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1-2 weeks delivery time The Gottifredi Maffioli Waxed Whipping Twine is manufactured from waxed polyester and features a braided construction with a flatter profile than traditional Marlow whipping twine. Available in 1.0 mm and 1.4 mm diameters, supplied on 40 m spools in multiple colours, as well as bulk spools up to 500 m. Suitable for rope whipping, sailmaking, rigging, and professional rope finishing applications.
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$ 11.54
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1-2 weeks delivery time The Marlow Splicing Tape is a specialist tape designed for rope splicing, rope preparation, and rope-end finishing. It helps secure rope ends during splicing operations and provides a neat, professional finish to completed rope work. Suitable for a wide range of marine and rigging applications where clean and reliable rope handling is required.
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$ 5.08
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1-2 weeks delivery time The Marlow Splicing Guide is a practical instruction manual designed to help users achieve strong and reliable rope splices. The guide explains how proper splicing can retain approximately 90–95% of a rope's original strength, compared with knots that may reduce strength by up to 50%. Written in English and based on more than 200 years of rope-making expertise, it is suitable for both beginners and professional riggers.
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$ 50.23
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1-2 weeks delivery time The Marlow Splicing Kit is a complete starter set designed for beginners learning rope splicing. The kit includes small and large splicing needles, a small Swedish fid, whipping twine, Marlow tape, and step-by-step splicing instructions. Carefully selected tools provide everything needed to begin creating professional rope splices and neatly finished rope terminations.
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$ 150.10
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1-2 weeks delivery time The Marlow Professional Rope Splicing Kit is a complete line splicing set designed for rope maintenance and professional splicing work. Supplied with a marlinspike, two steel splicing needles (25 cm and 50 cm), whipping twine, finish tape, and illustrated instructions, the kit provides the essential tools for producing strong, reliable rope splices.
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$ 191.46
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1-2 weeks delivery time The Marlow Kite Line Splicing Needle is a precision tool specifically designed for splicing small diameter ropes, including Marlow Extreme Sports Kiteline ropes. Its compact design enables accurate handling of fine lines and assists in creating clean, professional splices. Suitable for technical ropework where precision and control are essential.
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$ 79.66
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1-2 weeks delivery time The Marlow Excel Splicing Needle Small is a precision splicing tool designed for small diameter ropes and detailed ropework. Suitable for Marlow Excel Control, Excel Racing, and Excel D12 lines, it is also ideal for tapering Fusion ropes. Its compact design allows accurate handling and controlled splicing when working with thin dinghy and performance sailing ropes.
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$ 42.15
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1-2 weeks delivery time The Marlow Splicing Spike is a professional rope-working tool designed to assist with rope opening, strand separation, and splicing operations. Available in 170 mm and 280 mm lengths, the spikes provide precise control when working with both small and large diameter ropes. The compact 170 mm version is ideal for detailed ropework, while the 280 mm version is suited to heavier-duty splicing of thicker lines.
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$ 23.10
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1-2 weeks delivery time The Marlow Stainless Steel Splicing Needle is a durable rope-splicing tool designed for precision ropework and professional rigging applications. Manufactured from stainless steel, it provides strength and reliability when working with braided ropes and splicing projects. Available in 305 mm and 550 mm lengths, the range covers both compact ropework and larger, more demanding splicing tasks.
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$ 25.69
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1-2 weeks delivery time The Osculati Feeder Kit is a professional rope splicing tool set designed for core-and-sheath ropes from 4 mm to 20 mm in diameter. The kit includes five feeders supplied in a protective case. The feeders are manufactured from aluminium, except sizes 4 mm and 6 mm, which are made from stainless steel for increased durability.
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$ 103.20
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1-2 weeks delivery time The Osculati Sail Repair Kit contains a complete selection of tools and materials for emergency and routine sail repairs. Supplied in a practical plastic storage jar, the kit includes polyester thread, Dacron repair tape and fabric, sail needles, palm guard, splicer, awl, scissors and paraffin wax for thread preparation, making it suitable for onboard sail maintenance.
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$ 84.86
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1-2 weeks delivery time The Osculati sail needle set includes five assorted stainless steel needles designed for sail repair, reinforcement and heavy-duty sewing applications. The variety of needle shapes and sizes makes the set suitable for repairing Dacron sails, canvas and other marine fabrics. Supplied in a convenient storage pack for onboard maintenance.
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$ 13.71
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How does a serrated blade improve a boat knife's cutting performance for rope and line work?
A serrated blade enhances a boat knife's cutting performance by gripping and slicing through tough, wet rope or line with minimal effort. Unlike a straight edge, the serrations create multiple points of contact, making it easier to saw through thick materials, even in emergency situations. This design is particularly useful in sailing, docking, or rescue scenarios where quick, efficient cuts are necessary, ensuring reliability in demanding marine environments.
A well designed boat knife with a serrated blade is often paired with a secure holder or lanyard hole to ensure quick access in emergency situations, such as when a rope becomes tangled or a crew member goes overboard. Many models feature a non-slip handle for a firm grip, even in wet conditions, and can be easily operated with one hand, making them ideal for use at the helm or on deck. Whether stored in a jacket pocket, attached to a belt with a strap, or used for various outdoor tasks like slicing through a thick cord or cutting a grill hose, a heavy-duty marine knife remains an essential tool for safety and efficiency on the water.
How does a fillet knife differ from a standard boat knife in terms of design and functionality?
A fillet knife is specifically designed for precision cutting and deboning fish, featuring a long, flexible, and sharp blade that allows for smooth, controlled movements along the bone structure. Unlike a standard boat knife, which is often heavier with a rigid blade suited for cutting rope, bait, or general deck tasks, a fillet knife provides the flexibility needed for delicate slicing. Its corrosion resistant materials, lightweight design, and ergonomic handle make it an essential tool for anglers handling fish preparation on board.
A fillet knife's precision cutting ability makes it invaluable not only for anglers but also for various onboard tasks where a sharp, flexible blade is needed. Whether preparing fish at the binnacle, cleaning fillets at a camp near the water, or handling delicate cuts while out on the raft, its ergonomic grip and lightweight build ensure ease of use. Designed to accommodate demanding marine conditions, many fillet knives feature non-slip handles, corrosion-resistant coatings, and durable materials, making them a reliable tool for heavy-duty use in the outdoors.
How does a titanium blade improve corrosion resistance in a marine environment?
A titanium blade improves corrosion resistance in a marine environment by forming a protective oxide layer that prevents rust and degradation, even with prolonged exposure to saltwater. Unlike carbon steel, titanium is naturally resistant to oxidation, making it ideal for rescue knives, scuba tools, and other heavy-duty marine applications. Its lightweight yet durable construction ensures a reliable cutting edge for one-handed use in emergency situations, whether attached to a lanyard or stored in a pocket or kit.