Colonial Knife 420 Storm with Shackle Key, Flat Head Screwdriver Tip, Bottle Opener designed for the short handed crew, whether its racing from Newport to Bermuda or just blue water , cruising, the shackle key model 420 is the choice of the professional and Corinthian sailor alike used by those that need the best Made in U.S.A. Clips onto foul weather gear One hand opening Weight 1 1/2 oz. handle length 4 3/16-Inch Screw driver tip