Single block 91 600
cheekfrictionwith swivel

single block
single block
single block
single block
single block
single block
single block
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Number of sheaves
cheek, friction
with swivel
Application domain
for sailboats
Working load

Max.: 1,500 kg
(3,306.9 lb)

Min.: 650 kg
(1,433 lb)

Breaking load

400 kg, 750 kg, 1,300 kg, 1,750 kg, 3,000 kg
(881.8 lb, 1,653.5 lb, 2,866 lb, 3,858.1 lb, 6,613.9 lb)


106 g, 155 g, 160 g, 227 g, 248 g
(4 oz, 5 oz, 6 oz, 8 oz, 9 oz)


A range of high strength blocks designed for use with wire ropes or in exceptionally rugged conditions. Cheeks are manufactured from marine-grade aluminium, 'Spectro' grey annodised and running on nylon bearings to reduce friction under load. Reinforcing plates, rivets and shackle straps are all from 316 stainless steel. fastenings 6mm Important note - break loads Where break and safe working loads are stated, it is assumed that all sheaves are evenly loaded with a straight lead. Loads are not given for cheek blocks or upright blocks as this is dependent on fastenings used.To ensure maximum strength and load capabilities, fastenings must pass through hollow centre rivets of cheek blocks.


80 Pages

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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.