Case hardened shackle resists sawing and filing Brass body and cylinder provide extra resistance to the elements Pin tumbler cylinder provides greater pick resistance Master Lock 4120KA key number 213 - supplied with 2 keys per lock Order Multiple Locks for Keyed Alike Convenience. The Master Lock No. 4120KA 213 Economy Padlock, Keyed Alike – multiple locks open with the same key – features a 3/4in (19mm) wide brass body to resist the elements and a 7/16in (11mm) tall, 5/32in (4mm) hardened steel shackle for excellent cut resistance. Ideal for cabinets & fences, the non-rekeyable 3-pin tumbler cylinder provides greater pick resistance.