8MILELAKE Pneumatic Chisel Set 9pcs Air Hammer Punch Chipping Bits

0.39 inches Round Style shank chisels for heavy duty service work. 9 kinds of different shape Air Hammer Chisel, provided the needs of different jobs. Excellent quality air hammer chisel, it can used with a pneumatic tool. For masonry and concrete demolition, hard surface break up and chiseling. Correctly hardened and tempered so blade will not shatter when struck hard.