Accurately drill holes on flat surfaces, board edges, cylinders, and even spheres with this set! Clear, impact resistant housing board gives excellent stability and finger control for convenient drilling. Set includes 6mm, 8mm, 10mm diameter hardened steel bushings. Features: Housing board is made of plastic, other parts are made from chrome-plated hardened A3 steel for durability and rust resistance.Accurately drills perpendicular holes or oblique holes on flat surfaces, board edges, cylinders, etc.Impact resistant housing board gives excellent stability and finger control for convenient drilling.Drill guide set includes with 3 hardened steel bushings in size of 6mm, 8mm, 10mm.Convenient to use, great tool to have for woodworking projects. Specification: Material: A3 steel, plastic Bushings Size: 6mm/0.2in, 8mm/0.3in, 10mm/0.4in Weight: Approx.168g/5.9oz Package list: 1 * Drill Guide Set