... pieces, Details applications are stated as follows:quenching for various hardware and tools, such as pliers, wrench, hammer, ax, screwing ... gear(chain wheel) cam, chuck and clamp. Etc.Quench for hardware molds, such as small size mold, mod accessory and inner hole ... work pieces, such as golf, ball head, cue, brass lock, hardware copper fitting, kitchen knife handle, blade, aluminum pan, aluminum pail ...