Lewmar 50mm Triple Becket & Cam Synchro Block Trousers - Sailing Dynamic and Seitech® have a

Dynamic and Seitech® have a different hole pattern at the top of the “side tube”

Elastic in waist

Wichard 4 1/8" Large Bail Snap Shackle - Black

The lowest weight possible

Lewmar 50mm Triple Becket & Cam Synchro Block Trousers - Sailing Dynamic and Seitech® have aProduct Description Lewmar 50mm Triple Becket & Cam 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