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Alumina Cups "57N" Series
for Large Diameter Gas Lens
57N74,#8(1/2"id.)
Product Description
Premium quality "jumbo" Alumina cups 57N74 / 57N75 / 53N87 / 53N88 / 53N89 fit large diameter gas lenses on all 9,17,18,20,25,26 TIG torches.
Use of these cups will require additional cup insulator (54N63 or 54N63-20) installed on torch.
Standard 1 per pack.