Cleco® Pneumatic Chisel Scaler, Bare Tool Tool/Kit, Series: B Series, 1/2 in Shank, Square Shank, 4600 bpm, 1.1 in Stroke, 90 psi Air, 1/4 in Air Inlet, Lever Start Throttle, 5/16 in Minimum Hose Size, Steel Housing, 10.3 in Overall Length