Ronstan Series 15 BB Exit Block Butterfly Forespar 1 5/8" Flat Mast

Forespar 1 5/8" Flat Mast Ring

5" x 15'0" Aluminum Tubing

Width Y (in) - 16 7/16

sportsboats and small keel boats to 5m (16ft)

one or two-speed gearing and three superb finishes including classical bronze

Ronstan Series 15 BB Exit Block Butterfly Forespar 1 5/8" Flat MastProduct Description Ronstan Series 15 BB Exit Block Featuring a formed single piece housing for maximum strength and minimal rope wear. Features: 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 Features a flush rivet to minimize cutout and