The Heavy duty Airless Jackhammer, works by manually drawing up the slide hammer and slamming it down the top of the chisel bit, producing a striking force of up to 5000 lbs. It strikes where you direct it, will not glance off like hammers and picks. The Airless Jackhammer will break and cut concrete, asphalt, ice, stone, frozen ground and granite monuments. Accessories above are: 2x2" wood stake driver, 3/4"-1 1/2" ID pipe driver and a rebar driver (up to 3/4" OD). Uses standard 1 1/8 x 6" shank jackhammer bits. Weight 25 lbs. Length 53" closed.
The MINI Jack has 2,000lbs. striking force. It is smaller(32"long and lighter (16lbs.). It works the same way as the heavy duty airless hammer only it's smaller. Uses 1 1/8" X 4" shank bits.