Product CatalogueSports and OutdoorsWindsurfing OtherBoom AccessoriesEzzy Boom Shim Back Ezzy Ezzy Boom Shim Product ID: 343045 Brand: Ezzy 2025-10-17 From: $29.99 AUD View or buy the Boom Accessories Windsurfing Other - Ezzy Boom Shim from Ezzy to discover other options and shipping details. Description Boom shim for Ezzy Skinny Masts, converts skiiny mast to SDM diameter Inside length between end lips 112mm Back to Windsurfing Other - Boom Accessories More Boom Accessories and others in our range Cleat for Carbon Back End Extension Skinny Streamlined Replacement Front End Webbing Strap Patrik Boom Backend Pulley Cleat Chinook Pro 1 Replacement Front End Surf Sail Australia Boom Extension Clip Only BLP2003 Chinook Boom Extension Adjustment Two Pin Collar Set (2) Patrik Boom Backend Wave Cleat Chinook Boom Tail Piece Pro 1 Alloy- 135 150 165 185 225 models Chinook Friction Pad Chinook Boom Tail Piece Carbon- 60cm