... wheels (Diam from 100mm, 125mm, 150mm, Used for grinding and buffering surface of all kinds of stone or concrete slabs) B. ... saw machineFrom 11kw/22kw/30kw/37kw/45kw/55kw/75kw, Used for quarrying all kinds of stone material, like marble, granite, sandstone ... etc.and cutting for reinforced concrete,demolish building, bridge.2.Pneumatic down ...