The Capri Tools Air Hammer is equipped with 3,000 BPM (blows per minute) and 2-5/8 stroke length, ideal for cutting metals and panels as well as chipping and scraping. It comes with a quick connector to let you change chisels quickly and easily. Hex shank ensures a strong chisel grip and outperforms traditional air hammers with round shank. Ergonomic handle design provides a sure and comfortable grip. It operates with only 83 dB of sound pressure. Four 4-15/16 in. chisels are included: 1 tapered punch chisel, 1 flat chisel, and 2 cutting chisels. Chisels are 4-15/16 in. long.