The Tigwelding kit is for WP-17/18/26, 10 glass cup is heat-resistant.Features:Tough and practical.Easy to assemble and use.Electrode clip for the copper material, a very small amount of impurities, ensure the copper conductivity.Fit for Tig WP-17/18/26.Complete kit of Tig welding accessories.Specifications:Package Weight: 398g / 14.04ouncesPackage Size: 150 * 100 * 100mm / 5.91 * 3.94 * 3.94inPackage List:6 * 10 Pyrex Glass Cup1 * 4 13N08 Alumina nozzle D6.5mm x 1/4"1 * 5 13N09 Alumina nozzle D8.0mm x 5/16"1 * 6 13N10 Alumina nozzle D9.50mm x 3/8"1 * 7 13N11 Alumina nozzle D11.0mm x 7/16"1 * 8 13N12 Alumina nozzle D12.50mm x 1/2"-1 * 4 53N58 Alumina Nozzle Cups 6.5mm 1/4"1 * 5 53N59 Alumina Nozzle Cups 8.0mm 5/16"1 * 6 53N60 Alumina Nozzle Cups 9.5mm 3/8"1 * 7 53N61 Alumina Nozzle Cups 11.0mm 1/16"1 * 8 53N61S Alumina Nozzle Cups 12.5mm 1/2"1 * 17CB20-1.0 Collets Body Stubby Gas Lens1 * 17CB20-1.6 Collets Body Stubby Gas Lens1 * 17CB20-2.4 Collets Body Stubby Gas Lens1 * 17CB20-3.2 Collets Body Stubby Gas Lens1 * 17CB20G Collets Body for Tig Welding Torch 1.0mm 0.040"1 * 17CB20G Collets Body for Tig Welding Torch 1.6mm 1/16" 1 * 17CB20G Collets Body for Tig Welding Torch 2.4mm 3/32" 1 * 17CB20G Collets Body for Tig Welding Torch 3.2mm 1/8" 2 * 10N22S Collets for Tig Welding Torch 1.0mm 0.040" 2 * 10N23S Collets for Tig Welding Torch 1.6mm 1/16" 2 * 10N24S Collets for Tig Welding Torch 2.4mm 3/32" 2 * 10N25S Collets for Tig Welding Torch 3.2mm 1/8"" 1 * 57Y04 Short Back Cup for Tig Welding Torch1 * 57Y03 Medium Back Cup for Tig Welding Torch1 * 57Y02 Long Back Cup for Tig Welding Torch12 * Temperature Resistant O-rings 1 * 18CG-20 Cup Gasket 1 * 18CGG Cup Gasket