Clamcleat is a distinguished firm known for its expertise in the design and manufacturing of cleats for ropes. The company is based in the United Kingdom and was established in the 1960s, following a unique invention by their founder that revolutionized the sailing industry.
The firm is renowned for its specialized and wide-ranging assortment of cleats that cater to ropes of varying diameters. The products they offer are diverse, extending from aluminium cleats ideal for larger loads, to lighter cleats made from nylon material for smaller applications. The company's emphasis on functionality and quality has rendered their products popular across a multitude of sectors beyond sailing, including sectors like outdoor sports and filming.
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1-2 weeks delivery time Clamcleat CL267 Racing Sail Edge cleats combine a strong aluminium cleat with a low-profile nylon casing for precise leech and luff line tensioning. Designed for 1–4 mm (3/64–5/32") rope, the semi-flexible casing fits along the edge of a sail and allows adjustment from either side. The range includes the standard CL267 and the CL267+R version supplied with rivets for installation.
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$ 11.83
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1-2 weeks delivery time Clamcleat CL269 Sail Edge cleats are low-profile all-nylon cleats designed for 1–4 mm (3/64–5/32") rope. They mount directly to the edge of a sail for leech and luff line tensioning, with semi-flexible sides that help the cleat conform to the sail edge and allow adjustment from either side. The range includes the standard CL269 and the CL269+R version supplied with rivets.
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$ 3.57
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1-2 weeks delivery time Clamcleat CL829-11AN is a compact Aero cleat designed for 4–6 mm (5/32–1/4") rope and kitesurf brake-line adjustment. It combines an Aero base with a hard-anodised CL211 Mk2AN aluminium cleat and includes provision for a 3 × 15 mm stainless steel ring to guide the fifth line. The cleat can be repositioned on the rope by hand without tools, providing convenient adjustment for changing wind conditions. |
$ 29.37
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1-2 weeks delivery time Clamcleat PT524 and PT525 are black HDPE screw-on stopper balls designed to clamp securely onto rope or tube using a stainless steel screw. PT524 fits 6 mm (1/4") rope, while PT525 is designed for 8–9 mm (5/16–3/8") rope or tube. Both can be repositioned with a 3 mm Allen key and are suitable as adjustable stoppers and shock absorbers in running rigging and kitesurf brake-line systems.
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$ 114.94
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1-2 weeks delivery time Clamcleat PT5107 and PT5110 are solid titanium high-load thimbles designed for demanding racing and rigging applications. Lightweight, strong, abrasion resistant and corrosion proof, they can be used with fibre or steel wire rope and as low-friction alternatives to small pulley blocks. PT5107 is sized for 3–4 mm rope, while PT5110 is designed for 5–6 mm rope. |
$ 334.16
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1-2 weeks delivery time Clamcleat CL249 Tug Cleats are aluminium hand-held rope cleats designed for 3–6 mm (1/8–1/4") lines. Their shaped body is easy to grip and allows quick rope holding and release, making them suitable for practical tensioning and pulling applications such as tightening drums, transporting windows and specialist handling equipment. The range includes the standard CL249 and the hard-anodised CL249AN version.
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$ 16.46
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1-2 weeks delivery time Clamcleat CL261 Power Grip 1 is an aluminium hand grip designed to increase pulling power on ropes from 2–8 mm (1/16–5/16"). Its contoured shape is comfortable for either hand and helps users pull significantly harder than with bare hands, making it suitable for windsurf downhauls, dinghy halyards, catamaran trampolines and other line-tensioning applications. A blue cord is included for attaching the grip to a kitbag. |
$ 17.03
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1-2 weeks delivery time Clamcleat CL262 Power Grip 2 is a two-handed aluminium rope tensioning grip designed for 3–6 mm (1/8–1/4") lines. Its contoured handle allows significantly greater pulling force than using bare hands while reducing discomfort on smaller ropes. Compact and lightweight, it is suitable for windsurf downhauls, dinghy trampolines, forestays and other high-tension applications, and includes a blue cord for attachment to a kitbag. |
$ 26.26
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1-2 weeks delivery time Clamcleat CL247 Compact Twin Sheave Cleat is a lightweight aluminium cleat with composite nylon rollers, designed for 3–5 mm (1/8–3/16") rope. It can be fitted to mast extensions or tubes using rivets or screws and is particularly suitable for creating a 6:1 downhaul system. The composite rollers are designed to resist wear from coral sand, making the cleat well suited to windsurfing and demanding marine use. |
$ 23.10
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1-2 weeks delivery time Clamcleat CL248 is a compact cleat with an integrated hook and three sheaves for 3–5 mm (1/8–3/16") rope. It hooks directly into a sail eye and, when used with a suitable pulley block, provides a 6:1 mechanical advantage for powerful line tensioning. The CL248 is used in windsurfing and sand yachting applications, including Blokart sail shape and tension adjustment. |
$ 26.56
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1-2 weeks delivery time Clamcleat CL250 “The Gap Closer” is a low-profile aluminium and nylon cleat designed for 3–5 mm (1/8–3/16") rope and 6:1 windsurf downhaul systems. Its high-pressure die-cast aluminium body provides strength with low weight, while composite rollers are designed to resist wear from coral sand. The slim profile allows the sail to be tensioned close to the bottom of the mast, and the cleat can be mounted to mast extensions or tubes using rivets or screws. |
$ 26.56
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1-2 weeks delivery time Clamcleat CL708 is a rivet-on fitting designed to work with the CL248 cleat to create a 6:1 mechanical advantage using 3–5 mm (1/8–3/16") rope. It is suitable for mounting on windsurf masts or tubes around 50 mm (2") in diameter and combines a high-pressure die-cast aluminium body with composite nylon rollers for lightweight strength and resistance to abrasive wear. |
$ 19.92
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1-2 weeks delivery time Clamcleat CL244 is a complete aluminium boom cleat and clamp set for mounting on windsurf booms, flag poles and other tubes. The high-strength aluminium cleat is secured in a nylon clamp using stainless steel screws, while rubber packing pieces increase friction and compensate for small variations in tube diameter. The system supports different clamp sizes for tubes approximately 24–42 mm in diameter. |
$ 22.80
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1-2 weeks delivery time Clamcleat CL243L is a black nylon cleat insert with fairlead designed for 3–6 mm (1/8–1/4") rope. It fits into compatible nylon clamps and is secured with two screws, while a rubber friction packer helps the clamp grip bare metal tubes more securely. The cleat is suitable for flag poles, tubular structures and other assemblies requiring an insert-mounted rope cleat. |
$ 8.67
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1-2 weeks delivery time Clamcleat CL712 Small Alloy Insert Cleats are compact aluminium cleats designed for 3–5 mm (1/8–3/16") rope and integration into moulded components. The standard CL712 combines strong alloy teeth with the lower cost of a plastic moulding and can be pressed into a hot moulding or insert moulded, making it suitable for windsurf booms and downhaul systems. The range also includes the CL712-O Old Style version for compatible legacy installations.
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$ 3.57
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1-2 weeks delivery time Clamcleat CL715 is a compact cylindrical aluminium insert cleat designed for 3–5 mm (1/8–3/16") rope. It fits into plastic mouldings to combine the strength of an alloy cleat with the cost efficiency of a moulded component and can also be embedded into wood or other materials. Typical applications include windsurf mast bases for downhaul tensioning and booms for outhaul control. |
$ 2.60
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1-2 weeks delivery time Clamcleat CL716 is a very small aluminium insert cleat designed for 3–4 mm (1/8–5/32") rope and integration into plastic fittings. Its compact shape allows the cleat to sit close to the rope path, reducing the cleating angle and saving space inside the assembly, while retaining the strength and wear resistance of an alloy cleat. |
$ 2.60
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1-2 weeks delivery time Clamcleat CL209 Midi is a black UV-resistant nylon open cleat designed for 4–8 mm (5/32–5/16") rope. The open tooth profile provides quick, positive locking with easy release, while the durable nylon construction makes it suitable for dinghies, kayaks, anchor lines, gym equipment and general outdoor rope-control applications. Supplied in blister packaging. |
$ 5.65
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What are the main applications for Clamcleat® rope cleats on boats?
Clamcleat® rope cleats are primarily used on boats for securing ropes and lines in a wide range of applications, such as adjusting sails or controlling rudders. Models like the Clamcleat CL211 MK2 offer strong grip for holding lines under tension, yet can easily release when needed. These cleats, made from durable materials such as plastic or aluminum, are essential for efficient rope management and are trusted for their reliability across the boating industry.
What types of marine hardware are compatible with Clamcleat products?
Clamcleat products are compatible with a wide range of marine hardware, including ropes, control lines, and various deck equipment used on sailboats and yachts. Clamcleats are designed to work with ropes of different diameters and materials, providing secure, easy-to-use solutions for rope management. These cleats can be integrated with both new and existing marine setups, offering flexibility for boat owners looking for reliable and durable hardware.
What size ropes are compatible with aluminum Clamcleats?
Aluminum Clamcleats are typically compatible with ropes ranging from 3mm to 6mm in diameter, depending on the specific model. These cleats provide a secure grip on the rope while allowing easy removal when needed.