Ideal for professional woodworkers, cabinet maker, and craft enthusiasts requiring millimeter levels accuracy in furniture assembly and concealed hardware installation projects Integrated side measurement scale simplifies board thickness calculation while rubber pad ensures scratch proof clamping, combined with extended roller bit for deeper holes without tool changes Premium aluminum body ensures durability and accuracy for long time woodworking, feature upgraded stainless steel drill sleeves that enhances vertical drilling accuracy This compregensive drilling solution revolutionizes workshop efficiency with its auto adjusting depth collar systems and impacts resistant aluminum rotating rod, eliminating uneven boreholes in multilayer board applications Perfect for creating invisible shelf supports in closets, installing concealed rebounds mechanisms in modern cabinetry, or drilling consistent depth holes for concealed joinery systems, Manufacturer: ERRORY