7 Pc High Speed Steel HSS Drill Bit Set Self Centering Hinge Door Cabinet in Wood Case Sizes 5/64 to 1/4" * Never miss the center of the hole again, references from the hinge bevels! * These self-centering drill bits put hinges right where they should be--in the center. * Three popular sizes to drill through metal, plastic, wood and more. * Includes one of each: 5/64", 7/64'', 10mm, 9/64'', 11/64'', 13/64", 1/4" * High speed steel drill bits, brass body, steel shank, chrome plated. Drill bits are replace-able via set screw.