Lewmar block control single 40mm 420550 safety An adjustment cog system on

An adjustment cog system on the back of the helmet allows the user to tighten the helmet around the head for the perfect fit and feel

You get better throughput

Perfect solution for fastening applications (stay

the Synchro range of blocks combine a free spin bearing with a self aligning head to reduce friction and increase efficiency

and anything that slides on your boat run smoother

Lewmar block control single 40mm 420550 safety An adjustment cog system ondesigned and manufactured to provide extremely lightweight, high load bearing blocks ideal for use with hand held loads on dinghys, sports and keel boats. Lewmar Control Blocks feature stainless steel central race and balls while long fibre technology provides exceptional strength and durability. Open design provides for easy flushing of sand and salt, helping to keep maintenance to a minimum and performance to a maximum. Features Manufactured to