Excellent cutting speed by 2 metre per minute with 3000RPM.Best cutting result without any burrs at the cutting edges. 360 degree Changeable direction at operation. By replacing another rod holder, you can cut 5 mm max. of plastic plate, fibre plate, Perspex and plywood. To say woods, plastic, some other non-metal materials of 50 mm max. thichness at a general speed of 1M per minute wht RPM 3000 max. RPM may vary with the different teeth of saw blade. To saw metal, copper and other similar of 20 mm max. thickness at a speed of 0.05M per minute with RPM 300 max. RPM may vary as per different teeth of your saw blade. Total length:230mm Weight:700gram Dia. Of basic body:50mm Min.Cutting Dia:25mm Min. Sawing Dia:30mm