This American Pneumatic model 117 chipping hammer rental can be used for scaling, chiseling, removing concrete build-up from the side of cement mixers, light concrete demolition, cement finishing, form stripping, etc. It weighs 30 pounds, has a length of 22-1/2" inches, and has 1,140 blows per minute. It requires our 185 CFM air compressor. Also known as jack hammer, 30lb concrete breaker, demo hammer, air hammer, 30 pound concrete chipper, power chisel or braker