Outboard end for 40mm racing boom (EX940).
Optiparts owns several moulds for producing custom end fittings.
All boom end fittings are made of high quality glass fibre filled nylon.
Unlike inboard boom-end fittings from other manufacturers ours
have a firm grip around the mast.This ensures that mast and boom
always turn together.
Diameters given are outside tube diameters.