Our G10 air pick has the features of light weight, long service life, simple structure low voice and flameproof. Our G10 air pick has the features of light weight, long service life, simple structure low voice and flameproof. impacting frequency: 16 Hzimpacting power: 43J/minair consumption: 26L/s maxcylinder diameter: 38mminner diameter of air hose: 16mmweight: 10Kgvoice: 118dB(A)max