This unusual hammer has dual heads-one is made of hard rubber, and the other is made of nylon, yellow and transparent. Each head has a striking surface of 1-1/4 inches. This hammer has a steel handle, and a rubber grip for comfort. You will want to use this hammer for more delicate work. Neither of these heads will make sparks, or leave marks on your metal projects. * Great For Leather Tooling & Punch Work; 10 inches long: Weight 11 Ounces * Great For Jewelry, Leather-craft, Woodworking - Interchangeable Heads * These hammer heads will not spark, or cause damage to precious metal surfaces * Excellent as a jewelers bench tool, to use with more delicate procedures A* Solid steel handle, with a rubber grip for your comfort, and as a shock absorber