16 Gauge (Mild Steel) Brand New Baileigh Reciprocating Power Hammer , Mdl. PH-19, 16 ga. Mild Steel Capacity, 19" Throat Depth, Quick Release Handle Raises Top Ram, Quick Change Tooling, Adjustable Stroke, Fully Adjustable Lower Tool Post, Variable Speed, Adjustable Tool Clearance, Portable Stand, 110V, #SMPH19