Product CatalogueSports and OutdoorsWindsurfing OtherBoom AccessoriesRadz Hawaii Boom Shim Back Radz Hawaii Radz Hawaii Boom Shim Product ID: 532894 Brand: Radz Hawaii 2026-04-15 From: $29.99 AUD View or buy the Boom Accessories Windsurfing Other - Radz Hawaii Boom Shim from Radz Hawaii to discover other options and shipping details. Description Boom shim for RDM skinny masts. Use your old school SDM boom head on a skinny mast Back to Windsurfing Other - Boom Accessories More Boom Accessories and others in our range Chinook Friction Pad Patrik Adjustable Outhaul Trim System (1pc) Streamlined Boom Front End for SDM Mast Patrik Boom Backend Wave Cleat Goya Cleat for Carbon Back End Extension Skinny Chinook Boom Adjustment RDG Carbon Collar Set (2) Goya Boom Front End Replacement Handle Chinook Boom Extension Adjustment Two Pin Collar Set (2) Patrik Boom Front Replacement Handle Chinook Boom Tail Piece Pro 1 Alloy- 135 150 165 185 225 models