This is a beautiful curly hard maple slapper used in metal shaping and fabrication. Use with a dolly, a bead bag, or directly on metals. It comes with a 3mm thick piece of hard leather that is non-marring and long-lasting and fastened with escutcheon pins, excellent for aluminum. It is replaceable. The slapper has a flat bottom but is radiused slightly from heel to toe. The handle has an ergonomic shape that is comfortable for long periods of use. The general dimensions are 2 1/4" wide 14 1/4" long, overall height is 2 3/4". Striking surface is 8 3/4" long and handle is approximately 4 1/2".