We have Florida Pneumatic FP-641K Long Stroke Hammer Kit with Product Detail 3-1/2-Inch stroke for hard hitting Includes five grade steel chisels Heavy duty retainer Molded carry case for convenience Tease throttle for control and 2000 blows per minute . The "Florida Pneumatic FP-641K Long Stroke Hammer Kit" is best product for you. We recommended Florida Pneumatic FP-641K Long Stroke Hammer Kit