Product Introduction The paving breaker model B47 is tools with compressed air as its power. The compressed air is distributed alternatively through the distributing valve into either end of the cylinder assembly so that the hammer inside is made to carry on a reciprocaql motion which impacts the shank of the steel chisel by the tappet drives the chisel into the concrate foundation and makes them split into huge pieces. Main Characteristics Hand-held pneumatic tool, use compressed air to push the piston reciprocating movement, keep the pick up to the impact. Belongs to a kind of pneumatic instrument combined with the mature international technology. It’s featured with portability, durability, high efficiency and speedy, the breaker machine can break ferroconcrete, rocks and asphalt. Its an ideal machine for construction and back out of mines, bridges, roads, water pipes and electricity grids.