Barton Size 4 Double Upright Block, 58mm Plain Bearing

A Size 4 double upright block that bolts down and stands ready for two lines. Barton Size 4/5 blocks have high-grade moulded side plates, through-bolted and riveted, with a 316 stainless steel frame and load-carrying parts. Built for larger cruising and racing yachts.

Sheaves: 2 x 58mm. Max rope: 12mm (1/2in). Manufacturer part number: N04250