Features: Semi automatic depth stop countersink drill with wood contact braking ensures precise, controlled drilling through aluminum collar bearings and magnetic coil technology. Crafted from steel for heat resistance, this engraved drill features hexagonal lock depth calibration and replaceable bits for millimeter perfect countersinking operations. Ideal for woodworkers, cabinet makers, and requiring repeatable depth control in woodworking projects and furniture assembly. Perfect for creating flush screw recesses in tabletops, door hinges, and cabinetry where consistent drilling depth prevent damage. Interchangeable metal tipped bits adapt to various materials, while the wear resistant etched scale maintains legibility through extended workshop use. Specifications: Component:Metal Color:Blue/Red/Gold Size:Approx.86mm/3.387inch Package Includes: 1Pc Countersunk Drill Bit note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.