Z-Limit 3/8 inch reversible angle air drill. 90 degree angle head. Low noise. Rear exhaust. Forward and reverse knob. Variable speed lever. Standard keyed chuck. Free speed is 1,200 RPM. Chuck size is 3/8". spindle thread is 3/8"-24. Air Inlet is 1/4 NPT. Hose size is 3/8". air pressure is 90 psi. Air consumption is 4 cfm. Overall Length is 8".