g7 paving breaker has light-weight,simple structure,handy use,.It is suitable for drilling in mine ,mining the soft ore;diging pole and feet-hole,carating water-ditch;or crashing concrete and clay in construction work ;or working in the mechanical industry such as load and unload tractor ,panzer and so on. Specification Outside dimensions 456?60?10mm Weigh 7.2kg Rammar dia 35mm Rammar stroke 120mm Rammar weigh 0.6kg Work pressure 0.4~0.49Mpa Impact energy(0.49Mpa) 30J Impack frequency(0.49Mpa) 21.6Hz Air consumption(0.49Mpa) 20L/S Air pipe inner dia 19mm dd22229#hotmail