Steel Dragon Tools MD50 Magnetic Drill with 7pc 1" HSS Annular Cutter Kit Suitable for drilling on any metal surface. Rack and pinion gear system for exact drilling depth. Motor: High-Speed, Induction, 1850 W, 110 V, 60 Hz, 15 A Kit includes six (6) high speed steel annular cutters with 2-inch cut depth and one (1) pilot pin. Bit sizes included: 9/16 in., 11/16 in., 13/16 in., 15/16 in., 1 in., and 1-1/16 in.