Smith's heavy duty machine torches provide superior performance.  Ease-on cutting lever reduces blow back in piercing and key-holing in re-starts extending tip life and provides high quality cuts, torch barrels easily adjust to 4 positions at 90^o increments.  Barrel diameters are 1-3/8" ( 9.5mm ) to fit most machines.  Stainless steel ball type valves provide fine adjustment and positive shut-off.  Smith machine torches are covered by our Lifetime Warranty, the longest and strongest in the industry.