Product CatalogueSports and OutdoorsWindsurfing OtherConstruction and Repair PartsChinook Power Fin Box Back Chinook Chinook Power Fin Box Product ID: 306 Brand: Chinook 2025-05-25 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 Vent Thumb Screw Chinook Board Vent Retro Fit with Thumb Screw 5-8 inch Chinook Mast Track Box 10 inch Patrik Vent Screw Insert Chinook Tuttle Fin Box Fin US Box 8 inch Chinook Slot Box Fin Box Chinook Gor Tex Vent Valve 5 Hole Footstrap Inserts