Product CatalogueSports and OutdoorsWindsurfing OtherConstruction and Repair PartsChinook 8 inch Mast Box Vented With Screw Back Chinook Chinook 8 inch Mast Box Vented With Screw Product ID: 302 Brand: Chinook 2024-12-22 From: $33.99 AUD View or buy the Construction and Repair Parts Windsurfing Other - Chinook 8 inch Mast Box Vented With Screw from Chinook to discover other options and shipping details. Description The first choice by quality board builders, 2 sizes 8 inch and 10 inch, built in vent screw Back to Windsurfing Other - Construction and Repair Parts More Construction and Repair Parts and others in our range Chinook 3-Hole Micro Adjustable Foot Strap Inserts Chinook Tuttle Fin Box Chinook 8 inch Mast Box Vented With Screw Chinook Vent Thumb Screw Chinook Footstrap Inserts 2 Hole Chinook 10 inch Mast Box Vented With Screw Chinook 5-Hole Micro Adjustable Foot Strap Inserts Chinook Footstrap Plugs 8 inch Mast Box Vented 5 Hole Footstrap Inserts