Product CatalogueSports and OutdoorsWindsurfing OtherConstruction and Repair PartsChinook Power Fin Box Back Chinook Chinook Power Fin Box Product ID: 306 Brand: Chinook 2025-05-02 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 Vent Thumb Screw Chinook Slot Box Fin Box Chinook Tuttle Fin Box Chinook Power Fin Box 5 Hole Footstrap Inserts Chinook Mast Track Box 8 inch 8 inch Mast Track Box Chinook 5-Hole Micro Adjustable Foot Strap Inserts Chinook Gor Tex Vent Valve Chinook 3-Hole Micro Adjustable Foot Strap Inserts