Adapter Heads and Insulator Caps are available to convert indicated tools to use Centerfire consumables | Built to last with a proven high impact, high heat separate and easy to install replacement head | Centerfire consumable series Contact Tips, Gas Diffusers, Nozzles, and Tapered Contact Tips are machined to the highest quality for extended service life | Designed to greater improve productivity with a quick and easy installation of electrodes, eliminating total replacement | Electrode can be used to within one inch of the Shortstub's