Features: 1.The electrode clip is made of copper material, ensures good conductivity. 2.With excellent thermal conductivity, ductility and corrosion resistance. 3.Fits all 9 series air cooled torches, 20 series water cooled torches and 25 series water cooled torches. 4.Including four different specifications of ceramic nozzles to meet your different needs. 5.Built to meet standard specification, strictly follow factory quality control. Specification: Condition: 100% Brand New Item Type: Welding Torch Nozzle Kit Material: Ceramic/Copper Color: Purple/Brass Color Ceramic Nozzle Caliber: 3pcs: 4# D6.5 x 30mm/0.26 x 1.18in 5pcs: 5# D8.0 x 30mm/0.31 x 1.18in 5pcs: 6# D9.5 x 30mm/0.37 x 1.18in 3pcs: 7# D11.0 x 30mm/0.43 x 1.18in Application: This kit fits all 9 series air cooled torches and 20 series water cooled torches and 25 series water cooled torches, including the for Lincoln PTA-9 and PTA-20 PTA-25 torches, for Miller Diamondback DB9 and DB 20 DB25 torches, along with the for Weldcraft WP-9 and WP-20 WP-25 torches. PackageList: 16 x Ceramic Nozzle 16 x Electrode Clamp 16 x Clamp Slot 4 x Gun Cap 1 x Nozzle Gasket Note: Please allow 1?2mm error due to manual measurement. Thanks for your understanding.