B67C breaker is a pneumatic instrument manufactured with the mature technology of America Gardener Denver Corporation, Featuring proper weight, durability, great efficiency and speed, the asphalt. it is ideal machinery for the construction, repair and back out of mines, bridges, roads, water pipes and electricity grids Model: B67C Weight: 30 kg Length: 615 mm Working air pressure: 0.63 Mpa Percussive Energy: 37+-10% Percussive Power: 0.9+-10% Percussive Frequency: 1400 b.p.m Air Consumption: 42+-15% Air inlet size: 3/4 Bit Fixation style: Lock/unlock Bit head size:1-1/4x6