Product CatalogueSports and OutdoorsWindsurfing OtherConstruction and Repair PartsChinook 10 inch Mast Box Vented With Screw Back Chinook Chinook 10 inch Mast Box Vented With Screw Product ID: 324407 Brand: Chinook 2024-12-06 From: $37.99 AUD View or buy the Construction and Repair Parts Windsurfing Other - Chinook 10 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 Mast Track Box 8 inch Fin US Box 8 inch Chinook Fin Box 8 inch Chinook 10 inch Mast Box Vented With Screw Chinook 7-Hole Micro Adjustable Foot Strap Inserts Chinook Footstrap Inserts 5 Hole Chinook 3-Hole Micro Adjustable Foot Strap Inserts Chinook Board Vent Retro Fit with slot Screw .625 inch Chinook 8 inch Mast Box Vented With Screw 8 inch Mast Box Vented