• 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.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.Technical Specification:Air Consumption: 4cfmConsumable Parts: SA50.02 - Replacement Needle Set (19pc), SA11R/17 - Optional Spring Retainer, AK50 (5pc), AK57 (7pc) - Optional Chisel SetsInlet Size: 1/4"BSPNett Weight: 1.98kgNoise Power/Pressure: 111/100dB(A)No-Load Speed: 4500bpmOperating Pressure: 90psiStroke: 43mmVibration/Uncertainty: 13/5.2m/s²Dimensions: Length: 60mm x Heigh