EDGE® Quartz Cup Kit requires brass adapter

These cups are a MUST HAVE for welding aluminum. EDGE® Quartz cup kit. The kit include one #8 Quartz cup, one #10 Quartz cup with a 3/32" diffuser, and one #12 Quartz cup with a 3/32" diffuser. Hand-made in the U.S.A. with laboratory grade quartz. A great option for welding aluminum and for other higher temperature welding applications! Each cup measures 0.75" x .075" x 1".  You will need the Edge brass adapter with o-rings part# GL-BAOR2. EDGE Welding Supply Pyrex Cup Recommendations: ♦ The EDGE adapter and EDGE cup must be fully seated onto the Teflon heat/thermal shield. ♦ Engineered for high amp long runs ♦ Can be used with any size and type of tungsten unless using diffuser technology. ♦ All sizes can be used with EDGE diffuser technology.