Viadana 57mm Composite Triple Block Swivel with Shackle - Carbon Cam Cleat - discussion

These new ball bearing blocks are extremely light and stronger. Use the 2 1/4" 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 and may be fixed in two different positions or swivel freely.
Length: 110 mm
Diameter: 57 mm
Weight: 96 g
Breaking Load: 2160 kg
Max Rope Diameter: 12 mm
Max Working Load: 960 kg
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