Used in this how-to video:. How to Make Wire Hook Earrings. . If you work with Metals, you will need a sturdy Chasing hammer. Use to flatten and harden wire or other metal pieces. Chasing head is a full 1 inch in diameter, giving you lots of surface area to hammer with. Round end can be used for molding and softening shape. Also great for giving a "hammered" texture to wire. 1 Inch flat end, Round end is approximately 1/2 inch deep. 10 1/2 Inches total length. Head is wedge mounted onto hardwood handle. WARNING: This hammer is ONLY for use with precious metals and smaller findings. Do not use on nails or in any kind of construction or building work. PLEASE NOTE: We recommend eye protection with the use of any tools.