RAM-PRO Snap, Grommet, Rivet Tool Kit for Tarps Complete With Over 400 Pieces - Boat Covers, Canopies, Canvas Repair, Grommet Replacement Easily repair canvas & tarps - replace snaps, grommets and rivets with professional results Unique set with heavy-duty crimping pliers and 18 interchangeable die and punches - 322 pieces total Includes specialized heads for properly setting a variety of common fasteners; hole punches Plus supply of high-quality brass grommets in two sizes, aluminum & steel rivets, chromed snaps Kit pays for itself with one use when you repair your own boat covers, tarps, canopies or canvas