This wooden handled, steel head hammer features dual nylon faces that are removable and interchangeable. This convenient set include nine nylon peg inserts in a variety of shapes that can easily be installed with a hex wrench also included. It is ideal for raising, forming, flattening planishing and embossing metals for jewelry making, repairs, and more! The nylon faces will not mar, scratch, or damage your materials. 9-1/2" in length; 4 oz in weight. Head length: Approx. 4", depending on faces used. Face size: Approx. 1", depending on face used. Essential for Jewelry Repair and Jewelry Making.