Product CatalogueSports and OutdoorsWindsurfing OtherBoom AccessoriesRadz Hawaii Boom Shim Back Radz Hawaii Radz Hawaii Boom Shim Product ID: 532894 Brand: Radz Hawaii 2026-05-30 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 Mast Shim Skinny Chinook EVA Boom Grip Set Black Goya Alloy Boom Extension Housing and Clip Set Chinook Boom Tail Piece RDG 1 Alloy 135 150 models Chinook Boom Tail Piece Pro 1 Alloy- 135 150 165 185 225 models Patrik Boom Backend Wave Cleat Ezzy Boom Shim Surf Sail Australia Boom Extension Clip Only BLP2003 Patrik Boom Clip 27mm Patrik Boom Shim RDM Adaptor