The pneumatic pick(G7) has light-weight,simple structure,handy use. It is suitable for drilling in mine,mining the soft oredigging 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*160*110mm Weight : 7.2kg Rammer dia : 35mm Rammer stroke : 120mm Rammer weight : 0.6kg Work pressure : 0.4~0.49Mpa Impact energy(0.49Mpa) : âÂÂÂÂÂÂÂÂÂÂÂÂ¥30J Impact frequency(0.49Mpa) : âÂÂÂÂÂÂÂÂÂÂÂÂ¥21.6Hz Air consumption(0.49Mpa) : â¤20L/S Air pipe inner dia : 19mm