ID
1360871
$ 145.82
1-2 weeks delivery time
-
+
The Barton N15321 is a Size 5 triple reverse shackle block with becket and three 54 mm ball bearing sheaves, designed for ropes up to 12 mm. Weighing 355 g, it delivers smooth low-friction performance with a safe working load of 750 kg and break load of 1500 kg, making it ideal for dynamic high-load multi-purchase systems with flexible mounting and rope termination.
- Description
- Ask a Question
-
Barton N15321 – Triple Reverse Shackle Block with Becket Size 5 54mm, Ball Bearing, 3x Ø54mm Sheaves, Max Rope 12mm
The Barton N15321 Triple Reverse Shackle Block with Becket is part of the heavy-duty Size 5 (54 mm) range, engineered for high-performance sailing applications. Featuring three ball bearing sheaves, this block ensures smooth, low-friction operation, ideal for dynamic systems requiring frequent adjustment and efficient load transfer.
The reverse shackle configuration allows flexible angled mounting, while the integrated becket provides a secure point for rope termination in multi-purchase systems. Constructed with marine-grade 316 stainless steel load components and reinforced moulded side plates, the block is through-bolted and riveted for maximum durability and strength.
Key Features
- Triple sheave block with reverse shackle and integrated becket
- Ball bearing system for smooth, low-friction performance
- Provides maximum mechanical advantage in multi-purchase systems
- Flexible angled mounting capability
- Integrated becket for rope termination
- Heavy-duty construction with stainless steel internal frame
- Through-bolted and riveted side plates for superior strength
- Weight – 355 g
Technical Specifications
Part Number N15321 Block Type Triple Reverse Shackle + Becket Size Size 5 (54 mm) Sheave Diameter 3 × 54 mm x 17 mm (2 1/8" x 5/8") Bearing Type Ball Bearing Number of Sheaves Triple Max Rope Diameter 12 mm (7/16") Safe Working Load (SWL) 750 kg (1650 lbs) Break Load 1500 kg (3300 lbs) Max Rolling Load 525 kg (1157 lbs) Weight 355 g Dimensions 151 × 83 × 58 mm
Applications
- High mechanical advantage multi-purchase systems
- Mainsheet and traveller systems
- Dynamic control and trimming setups
- Cruising and racing yachts
- Rigging requiring flexible angled attachment and rope termination
The Barton Size 4/5 block range is designed for small to medium cruising yachts up to 10 m, offering robust construction, 316 stainless steel load components, and reliable high-load performance. :contentReference[oaicite:0]{index=0}
-
Popular products
-
1-2 weeks delivery time$ 145.82 -
1-2 weeks delivery time$ 94.32 -
1-2 weeks delivery time$ 135.56 -
1-2 weeks delivery time$ 120.54 -
1-2 weeks delivery time$ 142.78 -
1-2 weeks delivery time$ 125.19 -
1-2 weeks delivery time$ 154 -
1-2 weeks delivery time$ 204.19 -
1-2 weeks delivery time$ 192.37 -
1-2 weeks delivery time$ 244.16