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 retainer, taper punch, long bladed panel cutter, weld buster, panel cutter and cold chisel.Supplied in storage case.Model No. GSA11 Specifications: Model No GSA11 Air Consumption: 4cfm Brand: Generation Chisel Shank Size: .401" Parker Taper Free Speed: 3500bpm Inlet Size: 1/4"BSP Nett Weight: 2.3kg Noise Power/Pressure: 111/100dB(A) Operating Pressure: 90psi Stroke: 66mm Vibration/Uncertainty: 28/1.25m/s²