Collet, Compatible with Model A16HP, A35HP, Compatible with Series A16, A35, For Maximum Electrode Diameter 0.1563 in, Type Collets, Welding Processes TIG Welding (GTAW), Reference Number 2304-0091, Compatible with Brand Airco, Compatible with Grainger Part Number 48C152, 48C154, For Use With Torch# a16hp, Torch# a35hp, Package Quantity 2