The Lewmar Synchro block is scientifically optimized to help increase speed, efficiency, and handling. A stainless steel strap increases the blocks strength for a longer service life. The Free-Spin bearing with the self-aligning head helps increase efficiency up to 40% by reducing friction. To help prevent line wedging the cheeks are reinforced with stiff fibre glass. Perfectly synchronized to provide a n easy smother movement of rope for less wear on your and your rope.
Features:
Specifications:
California Residents: 
WARNING
Cancer and Reproductive Harm -
P65Warnings.ca.gov
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