Product CatalogueSports and OutdoorsWindsurfing OtherConstruction and Repair PartsChinook Mast Track Box 10 inch Back Chinook Chinook Mast Track Box 10 inch Product ID: 301 Brand: Chinook 2025-05-02 From: $29.99 AUD View or buy the Construction and Repair Parts Windsurfing Other - Chinook Mast Track Box 10 inch from Chinook to discover other options and shipping details. Description The first choice by quality board builders, 2 sizes available 8 inch and 10 inch Back to Windsurfing Other - Construction and Repair Parts More Construction and Repair Parts and others in our range Patrik Vent Screw Insert Chinook 8 inch Mast Box Vented With Screw Chinook Board Vent Retro Fit with slot Screw .625 inch Slot Box Fin Box Chinook Power Fin Box Chinook 5-Hole Micro Adjustable Foot Strap Inserts 5 Hole Footstrap Inserts Chinook 3-Hole Micro Adjustable Foot Strap Inserts Chinook Mast Track Box 8 inch Chinook 10 inch Mast Box Vented With Screw