Bernard™ Electrode Holders Model "B" large ball point screw connection. Electrode can be used to within 1 in of the Shortstub's head. Built to last with a proven high-impact, high-heat separate and easy-to-install replacement head. Designed to improve productivity with a quick and easy installation of electrodes, eliminating total replacement. Centerfire consumable series contact tips, gas diffusers, nozzles, and tapered contact tips are machined to the highest quality for extended service life Pack of 1