WeldingCity TIG Torch Accessory Kit AK3 Collet-Cup-Tungsten-Cap 1/16"-3/32"-1/8" for Torch 18 & 26 Series AK3 TIG torch accessory kit (AK3) for regular set-up in torch #18 and #26 series. 1 long back cap 57Y02; 1 short back cap 57Y04. 3 collets 1/16", 3/32" and 1/8" (10N23, 10N24 and 10N25). 3 collet bodies 1/16", 3/32" and 1/8" (10N31, 10N32 and 10N28) 3 Alumina ceramic cups #5, #6 and #8 (10N48, 10N49 and 10N46). 3 Thoriated (2%) Tungsten (Red) electrodes 1/16"x7", 3/32"x7" and 1/8"x7".