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Harken 75mm Triple Block — Swivel, Becket is a high-load, high-efficiency solution designed for demanding sailing systems requiring maximum mechanical advantage and flexible rigging. Part of the trusted Carbo Air range, this block delivers exceptional strength, smooth performance and reliability in a compact, lightweight design.
The triple sheave configuration provides powerful purchase for high-load applications such as mainsheets, vangs and cascading control systems. The large 75mm sheaves efficiently handle thicker lines, reducing friction and improving trimming performance, while the swivel head ensures optimal alignment under changing loads. The integrated becket allows for additional purchase setups and greater rigging versatility.
Built as a companion to Harken Big Boat blocks, this Carbo Air Triple Block offers outstanding working loads, making it ideal for dinghies, keelboats and small yachts where performance and durability are essential.
Specifications
Length: 178 mm / 7 in
Weight: 599 g / 21.1 oz
Sheave Diameter: 75 mm / 2 15/16 in
Maximum Line Diameter: 14 mm / 9/16 in
Maximum Working Load: 1650 kg / 3639 lb
Breaking Load: 4535 kg / 10000 lb
Shackle Pin Diameter: 8 mm / 5/16 in
Key Features
- Triple sheave design for maximum mechanical advantage
- Large 75mm sheaves for efficient handling of thicker lines
- Low-friction Carbo Air construction for smooth, efficient performance
- Swivel head for optimal alignment under changing loads
- Integrated becket for additional purchase and flexible rigging setups
- High working load capacity for demanding sailing systems
- Lightweight yet strong construction
- Compact, durable design for marine environments
- Ideal for mainsheets, vangs and high-load control systems
- Suitable for dinghies, keelboats and small yachts
- Reliable performance for racing and cruising use
