- Fast cutting (350~470mm/min) - Low Ampere (3~13A) - For Granite, Marble, Sandstone and Engineered stone - Compatible with CNC   Outer diameter Specification Remark Length Height T No. of Seg. 20 /23 /25mm 30mm 5.0 4.5 5N 1/2" Gas Option : Bottom Segments for Plunging 40mm 50mm 30mm 60mm 85mm