Texas Pneumatic Tools TX1BLTNS Needle Scaler, Lever Throttle, Air Consumption: 12 cfm, Blows Per Minute: 4600, Air Inlet Size: 1/4 Inch, Minimum Hose Size: 3/8 Inch, Stroke Length: 1-1/8 Inch, 17 Inch Length, Weight: 7 lb