LEWMAR 60mm Synchro Double Block - Swivel, 29926002BK Blocks_Carbo Air Blocks or other metal parts to

or other metal parts to add weight

The bigger diameter sheave prevents distortion and reduces line wear while the Free-Spin bearing handles higher static loads

and sailors have resulted in the Lewmar HTX Hardware Range

Both the 7401 and 7402 have ball and socket bases to align blocks for smooth leads aft

This is a good-looking

LEWMAR 60mm Synchro Double Block - Swivel, 29926002BK Blocks_Carbo Air Blocks or other metal parts toLewmar's Synchro Blocks are engineered for speed, efficiency, and superior handling. Lewmar uses a combination of scientifically optimized block geometry, a free spin bearing, and a swivel lock self aligning head to reduce friction and increase efficiency by up to 40% over budget blocks on mainsheet systems. Each component is perfectly synchronized with the movement of the rope, providing you with an easier, smoother transfer of power from deck to