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free-running blocks are compact
This Harken 108 Rope/Wire Upright Lead Block is often used to lead spinnaker pole lift
Sideplates are hard coat-anodized to resist corrosion
The unique orbital design allows the bearing to only be in the active areas of the floating sheave
The 90mm double block is well suited for vangs
LEWMAR 72 mm Synchro Fiddle Block - Swivel, 29927231BK Blocks_Midrange Classic free-running blocks are compactLewmar's plain bearing 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
