Highlights: 4,500 RPM 150mm - 4-Chisel 4.0 CFM average air consumption at 90 PSI 1/4" NPT air inlet requires 3/8" hose Quick-change spring chisel retainer for easy changes Includes air hammer and punch, ripping, cold, and panel cutter chisels with round 0.401" shanks With 4 Chisels