We have Ingersoll-Rand 3DA2SA 3da2sa Hammer Chipping Hammer with Product Detail Package Quantity: (1) Unit Type: 4-Bolt Chipper with Spring Retainer Stroke Length (Inch): 3 Blows Per Minute: 1900 Type of Power: Pneumatic . The "Ingersoll-Rand 3DA2SA 3da2sa Hammer Chipping Hammer" is best product for you. We recommended Ingersoll-Rand 3DA2SA 3da2sa Hammer Chipping Hammer