Single block Control
verticalwith hasp/springball bearing

single block
single block
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Number of sheaves
with hasp/spring
Bearing type
ball bearing
Maximum line diameter
max. rope ø 10 mm, max. rope ø 8 mm
Application domain
for sailboats, dinghy
spinnaker, mainsail
stainless steel
Working load

200 kg, 240 kg
(440.9 lb, 529.1 lb)


Ideal for use with hand-held loads, Lewmar's control Blocks feature lightweight, performance load-bearing capacity. MRT (Metal Replacement Technology) and a stainless steel central race and balls provide a weight advantage, while Long Fibre Technology offers exceptional strength and durability. The open design allows sand and salt to be flushed out easily, keeping maintenance simple. Features Lightweight Very High Strength Impact Resistant Reduced Friction Easy Maintenance Optimised for hand control Applications Ball bearing blocks are typically used for medium and dynamic loads in: Control line applications Mainsail sheets for dinghies and keelboats Spinnaker sheets, barber haulers Genoa sheets Dinghy applications

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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.