Features CUTTING TORCH with heavy duty precision machined forged brass head and body. Universal mixer for most fuel gases 3 PSIG and above. Model 830 (top rear lever, shown) or model 850 (bottom rear lever). PART / KV830-21 UPC / 80100 Hand Cutting Torch / 830-21 - 90° OXYGEN REGULATOR 5-125 PSIG / RV8010 - CGA540 ACETYLENE REGULATOR 2-15 PSIG / RV8011 - CGA510 GAUGES / 2 1/2 inch