Harken 29mm Zircon Double Block
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The Harken 29 mm Zircon Double Block is a compact, lightweight, and highly durable pulley system that is designed for sailing and rigging applications. Engineered for reliability and efficiency, this block features Zicon ceramic ball bearings, which ensure exceptional load - handling capabilities, while reducing friction for a smooth operation.
Zircon blocks help trimmers match sail shapes to new conditions immediately. Its compact 29mm sheaves are made from UV - stabilised materials, ensuring long - term durability in harsh marine environments. The block’s double sheave design allows for versatile rigging configurations, making it ideal for systems requiring high line control precision.
At the core of the Zircon performance are industrial ceramic ball bearings mounted inside caged races. The cages keep these bearings separated so they don’t bunch, touch, and stop each other. The result is the most efficient small boat block Harken has ever made.
With its corrosion - resistant construction and sleek design, the Harken 29mm Zicon Double Block delivers the performance sailors demand in competitive and recreational sailing alike.
Specifications:
- Length (in): 1 11/16 in
- Weight (oz): 0.72 oz
- Sheave Ø (mm): 29 mm
- Sheave Ø (in): 1 1/8 in
- Length (mm): 43 mm
- Weight (g): 20.4 g
- Maximum line Ø (mm): 6 mm
- Maximum line Ø (in) :1/4 in
- Maximum working load (kg): 160 kg
- Maximum working load (lb): 350 lb
- Breaking load (kg): 480 kg
- Breaking load (lb): 1050 lb
Product Code:2187
Length (in)1 11/16 inWeight (oz)0.72 ozSheave Ø (mm)29 mmSheave Ø (in)1 1/8 inLength (mm)43 mmWeight (g)20.4 gMaximum line Ø (mm)6 mmMaximum line Ø (in)1/4 inMaximum working load (kg)160 kgMaximum working load (lb)350 lbBreaking load (kg)480 kgBreaking load (lb)1050 lb
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