Barton Size 3 Single Block, 45mm Plain Bearing, Double Tang
Barton Size 3 blocks have a 45mm (1-3/4in) sheave and combine a stainless steel frame with 30% glass-filled nylon and acetal sheaves for maximum strength at minimum weight. Ideal for mainsheets, vangs and lead blocks on dinghies, dayboats and light cruisers.
