Product CatalogueSports and OutdoorsWindsurfing OtherConstruction and Repair PartsChinook Power Fin Box Back Chinook Chinook Power Fin Box Product ID: 306 Brand: Chinook 2025-05-03 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 Footstrap Inserts 5 Hole Chinook Mast Track Box 8 inch Chinook 10 inch Mast Box Vented With Screw Patrik Vent Screw Insert Chinook Power Fin Box Chinook Vent Thumb Screw Chinook 7-Hole Micro Adjustable Foot Strap Inserts Chinook 3-Hole Micro Adjustable Foot Strap Inserts Chinook Fin Box 8 inch Chinook Board Vent With Slot 1 Inch