Master Lock 470-605DAT Shackle 15/16" Length x 7/16" Inner Width, 2" Body Width, Solid Brass Coupler Lock Solid brass coupler latch lock with 3/4in (19mm) shackle Precision pin tumbler mechanism for superior pick resistance Resists rust and corrosion Lock design protects shackle from cutting and sawing Case hardened steel shackle Precision pin tumbler mechanism resists picking Solid brass body Measures 2 inches