Aketek 25MM Dual Head Nylon Rubber Hammer Jewelers Metal Mallet Great For Leather Tooling & Punch Work; 10 inches long: Weight 11 Ounces Great For Jewelry, Leather-craft, Woodworking - Interchangeable Heads no cause damage to precious metal surfaces Excellent as a jewelers bench tool, to use with more delicate procedures A Solid steel handle, with a grip for your comfort, and as a shock absorber