Ronstan Series 15 BB Block, Single Cheek, Single fastener mount

• Smallest and lightest ball bearing block available

• Precision moulded acetal sheave running on stainless steel ball bearings provide high performance & low friction

• Single loop head blocks include an O-ring to separate running line from head lashing or fixing

• Sheave Ø - 5/8 in.

• Max. Rope Ø - 3/16 in.

• M.W.L. - 260 lb.

• B.L. - 794 lb.

• Weight - 0.3 oz.

Applications

• Dinghy control lines

• Vangs, cunninghams and tweakers

• Shock cord tensioning systems

Materials

• BB sheaves: UV stabilised acetal

• Ball bearings: Stainless steel

• Cheeks: Grade 316 stainless steel