40B Qty: 1 per box, Price Each (40B) This item features: -Model "B" large ball point screw connection. -Electrode can be used to within one inch of the Shortstub"s head. -Built to last with a proven high impact, high heat separate and easy to install replacement head. -Designed to greater improve productivity with a quick and easy installation of electrodes, eliminating total replacement. -Welding Amp @ Duty Cycle: 400 A @ 60 pct. -Electrode Cap.: 1/16 in [Min], 1/4 in [Max]. -Length: 8 3/4 in. -Wt.: 17 oz.