Chicago Pneumatic Sales [Power Tools Division] manufactures Needle Scaler Type Hammer. Chicago Pneumatic Sales [Power Tools Division], an ISO 14001 certified company, supplies ratchets wrenches, drills, screwdrivers, grinders etc. Needle Scaler Type Hammer is suitable for surface preparation work. Needle Scaler Type Hammer has 4,600 blows per minute. The model no. Of this type of hammer is CP7120.