Generation Series air hammer kit. Handle exhaust reduces noise emission, and contoured soft grip allows added comfort and control. Chisel variety covers a range of different applications. Supplied in storage case. Features & Benefits:Generation Series air hammer kit.Handle exhaust reduces noise emission, and contoured soft grip allows added comfort and control.Kit includes spring retainers (x2), taper punch, special panel cutter, weld buster, panel cutter and cold chisel.Supplied in storage case.Model No. GSA12 Specifications: Model No GSA12 Air Consumption: 4cfm Brand: Generation Chisel Shank Size: .401" Parker Taper Free Speed: 4500bpm Inlet Size: 1/4"BSP Nett Weight: 2.2kg Noise Power/Pressure: 114/103dB(A) Operating Pressure: 90psi Stroke: 43mm Vibration/Uncertainty: 27/10.8m/s²