TIG Gas Lens Alumina Nozzle 53N61 7# Fit PTA DB SR WP 9 20 24 25 TIG Welding Torch 10pk This kit fits all 9 series air cooled torches and 20 series water cooled torches, including the Lincoln PTA-9, PTA-9V and PTW-20 orches,Miller Diamondback DB9, DB9V and DB 20 torches,along with the WP-9, WP-9V, and WP-20 torches. TIG Gas Lens Alumina Nozzle Ref No: 53N61 Size 7# Pack of 10