Brownells Heat Treating Crucible for Color Case Hardening

The Brownells Heat Treating Crucible is designed for color case hardening applications in gunsmithing. Used to heat bone char, leather scraps, or other hardening compounds to the proper temperature before quenching metal parts. An essential tool for achieving the classic mottled, multicolored finish on firearm components such as receivers, hammers, and triggers. Sold as the crucible only; tongs sold separately.