Ironwood Pacific Top-Snapper Stainless Canvas Snap Tool with DeckMate 6-in-1 Stainless Boating Tool Combo (Blue and Red) Works on corroded snaps and shrunken canvas The Top-Snapper for snapping and unsnapping your boat canvas The DeckMate combines 6 essential tools in one package Both tools include stainless steel blades and easy grip handles Lifetime warranty on both tools