Product SpecificationsMax. chuck diameter: 43mmMax. drilling depth: 60mmColumn height: 400mmDrill boss diameter: 38 - 43mmShaft diameter: 25mmDrilling depth: Max. 60mmBase Material: Aluminum The Drill Press is a professional-grade tool, ideal for holding your drill steady during use - allowing for much more accurate drilling than hand-held operation. Designed for use with any power drill with collar diameter of 43mm (or 38mm with supplied reducing bush) this accessory is great for any DIY-er or professional. The drill press has a sturdy heavy-duty cast iron base to ensure maximum stability and has mounting holes so it can be fixed to a workbench. The drill press also features a depth adjustment scale and stop for added functionality