AMPSEVEN Mini Table Saw Cutting Machine Metal Model Woodworking Flexible Shaft Grinder with Flexible Shaft Drill Grinder 1.Material : Whole aluminum production 2.voltage:DC12-24V maximum power:90W 3.power adapter:24V 5A .Rated speed:8500 R/M 4.Saw blade parameters:outer diameter 63mm,inner bore 16mm,max cutting thickness 15mm 5.Power supply and three kinds of saw blades for free!