Optiparts - Inboard End for 45mm Racing Boom sprit block Designed with water sports in

Designed with water sports in mind - this Wide Brimmed Hat's high uv rating and quick dry properties sets it out from the crowd

Mounting: M14 x 1 Thread base

Black panels at sides create a slimming illusion

A ball bearing single sailing block that provides excellent sheave rotation with the lowest possible friction

These skull-pads are lined with Zhik Hydrobase® material that will wick moisture away from the skin ensuring the helmet feels dry

Optiparts - Inboard End for 45mm Racing Boom sprit block Designed with water sports inBrand: Optiparts Inboard end for 45mm racing boom (for EX945). All boom end fittings are made of high quality glass fibre filled nylon and have a firm grip around the mast. This ensures that mast and boom turn together. Diameters given are outside tube diameters.