Flow Rate: Does Not Apply. Make: Cornwell Tools Model: CAT4250AHBP 3 Stroke bluePOWER Pneumatic Air Hammer Kit. This air hammer is previously owned and inspected. There are surface marks, scuffs, scratches, and stains on the body from heavy use. Tested fully and works well.The item "Cornwell Tools CAT4250AHBP 3 Stroke bluePOWER Pneumatic Air Hammer Kit" is in sale since Thursday, January 23, 2020. This item is in the category "Home & Garden\Tools & Workshop Equipment\Air Tools & Air Compressors\Air Hammers". The seller is "epawnamerica" and is located in Appleton, Wisconsin. This item can be shipped to United States.