Drill Stand Converts to Bench Drill High-Precision Dovetail Slot Rail Rotates 90 Degrees for Angled Drilling Mini Strong 6117 Clamping Specifications: Diameter 38-43mm Material: Cast iron base Stroke: 60 mm Spindle tube: 25X400 mm Dimensions: 400X155X155 mm Net Weight: 3.5 kg Application: Combines with electric drills, grinders, angle grinders, and other machines to form a bench drill and grinder combo unit.