Product CatalogueSports and OutdoorsWindsurfing OtherBoom AccessoriesRadz Hawaii Boom Shim Back Radz Hawaii Radz Hawaii Boom Shim Product ID: 532894 Brand: Radz Hawaii 2025-11-30 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 Lisa Windsurfing Twist Lock Outhaul Pulley Surf Sail Australia Boom Extension Clip Only BLP2003 Cleat for Carbon Back End Extension Skinny Chinook EVA Boom Grip Set Black Patrik Boom Shim RDM Adaptor Goya Alloy Boom Extension Housing and Clip Set Surf Sail Australia Boom Extension Housing and Clip Set (2) Patrik Boom Backend Pulley Cleat Patrik Boom Front Replacement Handle Chinook Double Sail Pulley