Single block 2191
cheekwith becketmax. rope ø 8 mm

single block
single block
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Characteristics

Number of sheaves
single
Type
cheek
Configuration
with becket
Maximum line diameter
max. rope ø 8 mm
Application domain
for sailboats
Working load

115 kg
(253.5 lb)

Breaking load

340 kg
(749.6 lb)

Weight

27 g
(1 oz)

Description

Zircon blocks help trimmers match sail shapes to new conditions immediately. 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. Zircon blocks are available in 40- and 57-mm sheaves in single and double blocks, with or without beckets.

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.