2-pcs per package for part number 54N14L, 54N15L, 54N16L, 54N17L and 54N18L. Available cup orifice (I., D. Lens Cup WeldingCity 10-pk Gas Lens Ceramic Cup Alumina 54N16 (#6, 3/8") For TIG Welding Torch 17, 18 And 26 Series From Weldcraft Lincoln Miller ESAB CK Tig Welding Cup Premium 54N-L series LONG ceramic (Alumina) cups for gas lens setup in TIG welding torch 17, 18 and 26 series. Available cup orifice (I.D.) and part... TIG Welding Torch 17/18/26 Gas Lens Kit .040-1/16 Tungsten (Red) T52A US Seller TIG torch amperage 150A - 350A air-cooled and water cooled. Alumina Ceramic Cups for 17-18-26 Torches Package available: 2-pk for part number 54N14L, 54N15L, 54N16L, 54N17L and 54N18L. Premium 54N-L series LONG ceramic (Alumina) cups for gas lens setup in TIG welding torch 17, 18 and 26 series. Available cup orifice (I.D.) and part number/nominal size: 1/2 (54N14L/#8), 7/16 (54N15L/#7), 3/8 (54N16L/#6), 5/16 (54N17L/#5) and 1/4 (54N18L/#4). Work with 45V-series regular gas lens collet body. TIG torch amperage 150A - 350A air-cooled and water cooled. 2-pcs per package... Refer to your TIG welding torch user manual for selection of cups and other torch consumables., U., S. Premium 54N-L series LONG ceramic (Alumina) cups for gas lens setup in TIG welding torch 17, 18 and 26 series. Strong technical support with experienced customer service to address buyer's any question.