1Housing board is made of plastic, other parts are made from chrome-plated hardened A3 steel for durability and rust resistance 2Accurately drills perpendicular holes or oblique holes on flat surfaces, board edges, cylinders, etc 3Impact resistant housing board gives excellent stability and finger control for convenient drilling 4Drill guide set includes with 3 hardened steel bushings in size of 6mm, 8mm, 10mm 5Convenient to use, great tool to have for woodworking projects.
