Compact regulator for Acetylene Industrial B Cylinders (520 CGA) ensures precise control for welding, soldering, brazing, and heating.  For single torch use.  Features an easy-turning T-bar. Heavy-duty construction for durability. Includes 2" brass gauges with 1 PSI increments for maximum outlet control. Suitable for small torches like the Smith Little Torch™ , Smith Air/Acetylene torch, or similar, with a B tank and single torch. UL listed, 100% tested. Consider adding a set of Flashback Arrestors with built-in Check Valves for preventing flashback fires and reverse gas flow.  Sold separately, see our 8300812.