Big Power Electric Demolition Jack Hammer 220V The volume of rotaryhammer is very small so it's very convenient to use before installing ground screw. The small tool will save your cost and bring you much benefits. Product Display Following is the main body part of rotary hammer for ground screw, we will send you the rotary hammer with complete accessories. Product Categories Ground Screw For Road And Traffic Sign Ground Screw For Timber Construction And Sheds Ground Screw For Park And City Building Ground Screw For Flag Poles And Banners Ground Screw For Constructional Industry Ground Screw For Beach Umbrella Ground Screw For Fencing Industries…