Seadog Canvas Snap Tool 299190-1 by Seadog $31.63 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Seadog Canvas Snap Tool Includes Die Wrench & (3) Removable Dies #354-2991901 Aluminum/Steel. Canvas Snap Tool includes a die wrench and three removable dies for various snap caps and studs. Great addition to any tool box.