Designed for precision and efficiency, this alumina gas lens TIG cup is an essential component for TIG welding processes. With a standard diameter and a 1/4 inch opening, it is specifically engineered to enhance gas flow and improve shielding, ensuring high-quality welds. Compatible with torch series 17, 18, and 26, this cup size #4 offers durability and reliability for both professional welders and enthusiasts alike. Manufactured by Weldmark, this gas lens cup not only meets industry standards but also provides the performance needed for effective gas tungsten arc welding (GTAW).