Features:Suitable for cleaning heavy paint and rust scale from metal surfaces.Palm control trigger mechanism.Replacement needle sets available.Specifications:Model No: SA51Stroke: 32mmFree Speed: 4800bpmAir Consumption: 3cfmOperating Pressure: 90psiInlet Size: 1/4"BSPWeight: 1.2kgNoise Power/Pressure: 104.82/93.82dB(A)Vibration/Uncertainty: 8.56/1.34m/s�Consumable Parts SA51/16 - Replacement Needle Set (12pc)Load Vibration: 10.47Noise Power: 104.82Noise Pressure: 93.83Height: 65Width: 313Length: 54.