DIMENSIONAL STONE   Equipament for extract granite, marble, etc... Click here for more pictures   Technical Features Model MW-300 MW-500 MW-600 Rock Drill Quantity 1 2 3 Tracks 2 2 2 Pressure feed valve Yes Yes Yes Oil Lubrificator Yes Yes Yes Rotation and percussion valve Yes Yes Yes Air Feed Motor  Yes Yes Yes Bushing diameter (drill steel) 7/8" 7/8" 7/8" Air Consumption 225 CFM 325 CFM 420 CFM Weight 190 Kg 240 Kg 450 Kg