Lincoln Electric KP4749-332-B10 TIG Torch Collets & Collet Bodies; Product Type: Collet ; Hole Diameter: 0.0940 ; Material: Copper Alloy ; For Use With: 9/20 TIG Torches using 3/32" Tungsten Electrodes; 9/20 TIG Torches using 3/32" Tungsten Electrode