TIG Gas Lens Assorted Size 3/32" 45V26 10N24 54N15 54N01 for QQ300 PTA DB SR WP 17 18 26 TIG Welding Torch 4pcs Fit QQ300 DB PTA SR WP CK 17 18 26 TIG Welding Torch 1pcs Alumina Nozzles: #7 Ref No: 54N15 1pcs Gas Lens Collet Bodies Ref No: 45V26 3/32" 1pcs Collect 3/32" Ref No: 10N24 1pcs Insulators Cup Gasket 54N01