Lewmar 72mm Toggle Head Synchro Block Canvas Covers Viper 640 Length - 2 23/64" (60mm)

Length - 2 23/64" (60mm)

Ronstan Series 20 Single Stand-Up Block

suits battens up to 22mm (7/8") x 10mm (3/8")

The handle model offers great comfort during operations

Lewmar 72mm Toggle Head Synchro Block Canvas Covers Viper 640 Length - 2 23/64" (60mm)Product Description Lewmar 72mm Toggle Head Synchro Block Lewmar's Synchro blocks are engineered for speed, efficiency and superior handling. We use a combination of scientifically optimized block geometry, a Free Spin bearing and 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,