Product CatalogueSports and OutdoorsWindsurfing OtherConstruction and Repair PartsChinook Power Fin Box Back Chinook Chinook Power Fin Box Product ID: 306 Brand: Chinook 2024-12-06 From: $41.99 AUD View or buy the Construction and Repair Parts Windsurfing Other - Chinook Power Fin Box from Chinook to discover other options and shipping details. Description The first choice by quality board builders. Power Box 1 bolt, box cut to size/shape at deck level Back to Windsurfing Other - Construction and Repair Parts More Construction and Repair Parts and others in our range Chinook 10 inch Mast Box Vented With Screw Chinook Gor Tex Vent Valve Chinook Board Vent Retro Fit with slot Screw .625 inch Chinook Board Vent With Slot 1 Inch Chinook Mast Track Box 10 inch Chinook Mast Track Box 8 inch 4-Hole Adjustable Foot Strap Inserts 8 inch Mast Box Vented Chinook Footstrap Inserts 5 Hole Chinook Slot Box Fin Box