Collection: Viadana Composite Blocks 12mm

These new ball bearing blocks are extremely light and stronger. Use the composite blocks for mainsheet systems on catamarans and for control lines, vangs, cunningham and spinnaker on little and medium sail-boats. Delrin¤ sheave and ball bearings. Composite cheeks, stainless steel (AISI 316) rivets. All the blocks with shackle have universal 3-way head.