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Harken 40mm Zircon Blocks - Single Loop


Harken 40mm Zircon Blocks - Single Loop
Harken 40mm Zircon Blocks - Single Loop with Becket
Harken 40mm Zircon Blocks - Double Loop
Harken 40mm Zircon Blocks - Double Loop with Becket

The most efficient small boat blocks Harken has ever made

Low Friction

Ceramic ball bearings

Soft attach

700% stronger than stainless balls

£103.00

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NEW - 40mm Zircon Blocks from Harken

The most efficient small boat blocks Harken has ever made with industrial ceramic ball bearings mounted inside caged races.

More than 700% stronger in compression than stainless balls.

Ceramic is much harder and smoother than steel or composite.

Sheave and side plates are strong and reliable fibre-reinforced composite construction.

Structural head for soft attachment

40mm Zircon Blocks Specifications
Part No. Block Type Sheave Ø Length Weight Optimal line Ø Maximum Working Load Breaking Load
2190 40 mm Single 1 9/16 in 40mm 2 3/8 in 60mm 0.81 oz 22.9 6mm 250 lb 115kg 750 lb 340 kg
2191 40 mm Single w/becket 1 9/16 in 40mm 2 7/8 in 73mm 0.93 oz 26.5 6mm 250 lb 115kg 750 lb 340 kg
2192 40 mm Double 1 9/16 in 40mm 2 3/8 in 60mm 1.58 oz 44.7 6mm 500 lb 230kg 1500 lb 680 kg
2193 40 mm Double w/becket 1 9/16 in 40mm 2 7/8 in 73mm 1.68 oz 47.6 6mm 500 lb 230kg 1500 lb 680 kg

  • Block Size - 40 mm

Harken Zircon

Harken Zircon Blocks Data Sheet

Download (927.37KB)

Harken Zircon

Harken Zircon Blocks Instruction Manual

Download (927.37KB)