Selden Inner Boom End 2628/2633/2632/Olympus

Boom inboard end assembly including the sheaves and fixings for Boom Sections 2628, 2633 and Olympus.

For Selden sections 2628, 2633, 2632 and Olympus

Typically used on 420, 470, 505, Albacore, Bosun, Comet Race, Contender, Devon Yawl, Enterprise, Fireball, Flying Dutchman, Flying Fifteen, Flying Junior, GP 14, Graduate, Javelin, Lark, Osprey, Pirat, Snipe, Scorpion, Streaker, Vaurien, Wanderer, Wayfarer.  

Fitting to older/unknown boom sections.
Measuring the widest/central part that fits inside the boom 62.5mm
Width at the top/narrow part that fits inside the boom 50mm

If you have a square gooseneck pin you will need to replace it with the modern round version SN528-086-09