Product CatalogueSports and OutdoorsWindsurfing OtherBoom AccessoriesRadz Hawaii Boom Shim Back Radz Hawaii Radz Hawaii Boom Shim Product ID: 532894 Brand: Radz Hawaii 2026-07-14 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 Surf Sail Australia Boom Extension Clip Only BLP2003 Chinook Boom Extension Adjustment Two Pin Collar Set (2) Patrik Boom Backend Pulley Cleat Goya Boom Front End Replacement Handle Patrik Adjustable Outhaul Trim System (1pc) Patrik Boom Clip 39mm Goya Replacement Boom Front End Goya Boom Shim For RDM Mast Goya Alloy Boom Extension Housing and Clip Set Chinook EVA Boom Grip Set Black