6 Pcs Air Hammer Kit Includes Four 120Mm Chisels Blows Per Minute- 4500 Chisel Shank- 0.401'' / 10.2Mm Stroke- 1 5/8'' / 41Mm Air Pressure- 90Psi/6.2Bar Air Inlet- 0.25'' Bsp Vibration Magnitude 12.8M/S2.
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