EDGE® Cornerstone-2 Cup Glass Welding Kit Case

The EDGE Cornerstone Welding Cup Bundle – Focused Performance for Every Fabricator and Welder The Cornerstone is a complete, professional-quality TIG glass cup bundle built for fabricators and welders who want a focused, high-performance setup. With a purpose-built cup selection matched to your tungsten size, it's the kit that covers what most shops actually need — without piecing parts together or swapping cups between jobs. Key Benefits Complete Professional Setup – Everything you need in one kit, matched to your tungsten size Dual Torch Compatibility – Works with 9/20/25 and 17/18/26 series torches Two Purpose-Built Cup Profiles – Each cup chosen for a specific material and position Better Gas Coverage – EDGE laminar-flow diffuser for cleaner, more consistent shielding Teflon Thermal Spacers Included – Reduces heat transfer to the torch body for longer consumable life Versatile Applications – Aluminum, stainless, chromoly, titanium, and more What's Included Clear storage case 2 EDGE glass cups: #8LF Pyrex – Versatile size for general welding applications with laminar flow for consistent shielding #12S Pyrex – Balanced coverage for controlled welding environments and confined joints EDGE universal GL adapter with O-rings (fits both torch systems) 2 Series gas lens + collet (for WP-9, WP-20, WP-25) 4 Series stubby gas lens + collet (for WP-17, WP-18, WP-26) Teflon thermal spacers (used with 9/20/25 torch only) All components matched to your selected tungsten size. Please make sure you select the correct size. Available in 1/16", 3/32", 1/8" or 5/32". Why This Kit Works Most fabricators weld more than one material. The Cornerstone is designed around that reality. Each cup has a job: the #8LF handles versatile general applications with superior gas coverage, and the #12S delivers balanced coverage when smaller cups aren't quite enough. Professional-quality components, ready to run right out of the case. EDGE Advantage Laminar gas flow for more consistent shielding Clear visibility of the weld puddle Precision-machined components Designed for real-world welding conditions Special order-no returns