At last, a convenient, easy-to-use process to help the gunsmith create beautiful, genuine color case hardening. Color case parts with their subtle shades of blue, gray and straw really give a gun a true custom look. For a modern firearm, color case hardening can create a unique, one-of-a-kind gun. Plus, renewed interest in the old west has brought many old and well used guns out of retirement that need to have faded color case hardening restored. Our detailed instructions take the mystery and witchcraft out of the process. You'll want to experiment with the ratio of wood charcoal to bone charcoal to get just the right mix of colors. We have assembled two, easy-to-set-up systems with Mfg: Praxair SPECS: Steel case. Outside dimensions - 30-1/2" (77.4cm) wide, 27" (68.5cm) deep, 23" (58.4cm) high. Chamber dimensions - 22" (55.8cm) wide, 22" deep, 13" (33cm) high. 6,292 cu. in. inside. 330 lb. (123 kg) weight. 240V/50-60hz/24 amp./5,760 watts.