Lewmar Block Synchro single 50mm 420300 zhik clearance 23 A reinforced midsole and moulded

A reinforced midsole and moulded heel cup add structure and support to the boot

dirt and other common marine contaminants to create a clean

dirt and other deposits to protect

yet it’s gentle enough not to strip wax away

Lewmar Block Synchro single 50mm 420300 zhik clearance 23 A reinforced midsole and mouldedDesigned and engineered for speed, efficiency and superior handling, the Synchro range of blocks combine a free spin bearing with a self aligning head to reduce friction and increase efficiency. Each component is designed to perfectly synchronise with the movement of the rope to provide smooth and efficient transfer of power with reduced rope wear. A lockable head allows for in line or 90 positioning while the integrated 30 floating movement provides