Master Lock Company's new-generation ProSeries® Resettable Combination Padlocks. These recently introduced locks offer exclusive features that make them tougher for thieves to crack, harder for the elements to penetrate, and easier for users to operate than any previous user settable combination locks.
Three models make up the new ProSeries Resettable line: the all-new Stainless Steel 1174 with a stainless steel shackle, the Brass-body 1175 with two shackle styles and lengths, and the Die Cast 1178. The 1178 and two of the 1175 models feature new octagonal, enhanced boron-carbide shackles that are twice as hard to cut as standard hardened shackles.