WeldingCity Welding Brazing Nozzle Tip 23-A-90 #7 with E-43 Mixer for Harris Torches Premium quality Acetylene welding/brazing nozzle tip 23-A-90 #7 with E-43 mixer for Harris oxyfuel torch. General welding and brazing tip for Acetylene or Hydrogen with E-43 mixer. For use with Harris handle 63-2, 18-5 and 43-2. E-43 mixer can be used with up to size 10 welding & brazing tips and small heating tips. You get One (1) heating tip for Harris torch at this price. FAST AND FREE SHIPPING within the U.S.