We have Universal Tool UT9920B 2.5strk Lo Vibration Air Hammer with Product Detail Package Quantity: (1) Unit Type: Air Hammer Stroke Length (Inch): 2-1/2 Blows Per Minute: 3200 Shank Size: 0.401 . The "Universal Tool UT9920B 2.5strk Lo Vibration Air Hammer" is best product for you. We recommended Universal Tool UT9920B 2.5strk Lo Vibration Air Hammer