Up for sale is oneScorpion knives PG-1 PERRY McGEE GRAPPLING HOOK, BLACK, 100% Authentic. The box outside is little broken. When dissembled the NTS grappling hook fits within a canvas bag which duals up as a water filtration sack, to be used with sterilization tablets (not supplied) and fits nicely under the seats of a well-known 4x4 land vehicle.