ITEM NAME:1pc Surfboard Wax Comb With Fin Key Surf Board Wax Comb Cleaning Remover T k Gw.It has a jagged or toothed edge, a straight and relatively sharp edge with a fin key in the end. It has a jagged or toothed edge, a straight and relatively sharp edge with a fin key in the end. The jagged edge is used to create textured grooves for improving the traction of the wax.