The CP785 3/8 in. Standard Duty air drill features a powerful energy-efficient air motor to resist stalls. Ideal for accessory and air conditioner installation, engine work and auto body repair. Chuck Size (in.): 3/8, Keyless Chuck: No, Air Consumption (CFM): 4, Speed (RPM): 2,400, Air Inlet Size (in. NPT): 1/4, Min. Hose Size (in.): 3/8, Variable Speed: Yes, Reversible: No, Side Handle: 2 1/4, Tool Weight (lbs.): 7, average air consumption: 4.13 cfm; air inlet thread: 1/4" NPTF; minimum hose size: 3/8"; sound dBA: 92; length: 7"; weight: 2.25 lb.