Allen 40mm Single Block with Swivel Head grip Allow about 1″ (25m)clearance each

Allow about 1″ (25m)clearance each end

Wintec Indicator

- Specific thickness distribution throughout for maximum maneuvrability and comfort

The ultimate protection for fiberglass

Allen 40mm Single Block with Swivel Head grip Allow about 1″ (25m)clearance each40mm Single Block with Swivel Head Made from high strength, lightweight glass loaded nylon and featuring Allens dynamic bearing technology for a high performance block suitable for keelboats and dinghies. 40mm dynamic blocks are perfect for use on main, jib and spinnaker sheets on dinghies and keelboat control lines. Bearings Dynamic blocks feature Allen patented bearing system which uses twin rows of stainless steel ball bearings running on a