Generation series pistol type scaler suitable for cleaning heavy paint and rust scale from metal surfaces. Removable needle head allows use as a standard air hammer but requires additional chisel set and spring retainer (not included). Features variable speed trigger control. Spring retainer, needle and chisel sets available separately. Features & Benefits:Generation series pistol type scaler suitable for cleaning heavy paint and rust scale from metal surfaces.Removable needle head allows use as a standard air hammer but requires additional chisel set and spring retainer (not included).Features variable speed trigger control.Replacement needle sets available.Model No. SA50 Specifications: Model No SA50 Air Consumption: 4cfm Brand: Generation Consumable Parts: SA50.02 - Replacement Needle Set (19pc), SA11R/17 - Optional Spring Retainer Inlet Size: 1/4"BSP Nett Weight: 1.98kg Noise Power/Pressure: 111/100dB(A) No-Load Speed: 4500bpm Operating Pressure: 90psi Stroke: 43mm