Lincoln Electric KP4750-18-B10 TIG Torch Collets & Collet Bodies; Product Type: Collet ; Hole Diameter: 0.1250 ; Material: Copper Alloy ; For Use With: 17/18/26 TIG Torches using 1/8" Tungsten Electrodes; 17/18/26 TIG Torches using 1/8" Tungsten Elec