This is a high quality "Husky" Air Hammer, Model HDT103 - Brand New. This tool has all qualities of the Husky brand. It is a heavy-duty, all metal tool operating at max. 5,000 BPM with a stroke length of 1-5/8" and an average air consumption is 6.0 SCFM @ 90 PSI. The chisel shank diameter is 0.401 in. Includes 3 chisels, 1/4" NPT male air coupling and Manual. Pick up only from Cobble Hill.