Contact Tip Sub-Category Contact Tip Wire Size (In.) 5/64 In. Series Centerfire(TM) Material Copper Size 1/8 in H x 1-1/2 in W x 1-1/4 in D Amperage Range 200-600 Connection Style Threaded Gun Model All Tweco Models For MIG Guns Bernard BTB MIG Guns 250 Amp S-Gun(TM) MIG Gun W-Gun(TM) MIG Guns FILTAIR Fume Extractions Guns Clean Air(TM) Fume Extraction Guns Dura-Flux FCAW Guns Style Non-threaded Tapered base