Made of high heat quartz
Can be used on both AC and DC applications
Not recommending for walking the cup
Improves weldor visibility
TIG STAR CHAMPAGNE STYLE CUP, QUARTZ, WP-17/18/26, WP-9/20, 28 PC KIT INCLUDES QUARTZ CUPS IN SIZES 12, 14, 16, AND 24, SS GUARD, HEAT SHIELD, WEDGE COLLET, GAS LENS, SCREEN ADAPTERS, SEALING RINGS, AND SCREEN PACKS