This is a new type of adjustable aluminum drill floor, very suitable for store or home use.The plug-in drill is an ideal choice to keep the drill bit stable and more accurate than hand-held operation during use. (The specific deviation has a lot to do with the concentricity of the second-hand electric drill and personal operating skills.)The electric drill has high concentricity, small vibration, can reduce deviation, and the column is firmspecification:Main working parameters:Product name: Simple electric drill standMaximum stroke: 145mmMaximum clamping diameter: 0-42mmSubstrate: cast aluminumProduct volume: 30.0 cm×15.0 cm×6.5 cmPackage Included:1 * Drill stand