The Top-Snapper and DeckMate address some of the most common needs on a boat – getting your boat canvas snapped or unsnapped without tearing your canvas, and having deck keys, a shackle key, zipper pull and common drivers all in one tool. The Top-Snapper includes two blades, one for grabbing the snap from the inside and another for grabbing the snap from the outside. The DeckMate includes two common deck keys, a shackle key, ¼” hex pull and a screwdriver blade on one end, and a zipper pull and bottle opener on the other end. Each tool includes stainless steel blades, an easy grip rubberized handle and a lanyard to keep it on your wrist. Lifetime Warranty.