Barton Size 5 Plain Block Single Stanchion LeadThis Size 5 Barton block is designed to fit a standard 25mm stanchion. All size 5 Barton blocks have a 54mm 2 1/8″ sheave. They are of a rugged construction, featuring high grade moulded side plates that are through-bolted and riveted for added strength and security. All load carrying components and interior frame are from marine grade 316 stainless steel and both plain and ball bearing sheaves are available. This sleek and versatile range is engineered for use on larger cruising and racing yachts and is compatible with our ball bearing mainsheet traveller system. Suitable for up 12mm 7/16″ rope. | 
