Check the listing for details. SPEEDAIRE 45YY26 Needle and Chisel Scaler Kit,3,000 bpm 45YY26. Condition: New. Listed at 619.85 USD. Needle and Chisel Scaler Kit, Body Style - Air Tools Pistol, Duty Cycle - Air Tools Industrial Duty, Stroke Length 2 1/4 in, Blows per Minute - Air Tools 3,000, Air Inlet Size - Air Tools 1/4 in NPT, Average CFM @ 15 Second Run Time 6.0, CFM @ Full Load 24.0, Required Pressure 90 psi, Min. Hose Size 3/8 in, Overall Length 6 3/4 in, Design Ergonomic, Throttle Trigger, Includes Chisel with Retainer Speediare(R) Industrial-Duty Pistol Needle Scaler Kit includes chisel with retainer. Great for removing rust, paint, dirt, and weld on metal surfaces, even in tight spaces, corners, or curved surfaces. Ergonomic design scaler features trigger throttle and has up to 3000 blows per minute.• Required pressure: 90 psi• Air inlet: 1/4" NPT.