The Master Lock No. 1177 ProSeries® Resettable Combination Padlock is engineered for the toughest commercial and industrial applications. Featuring a 2-1/4″ wide shrouded solid brass body, this lock offers superior corrosion resistance. The octagonal boron-carbide shackle is shrouded for ultimate cut resistance. With a set-your-own 4-digit combination and 10,000 possible combinations, this lock provides flexibility and enhanced security. The deadlocking mechanism ensures protection against prying, shimming, and rap attacks, making it perfect for high-security environments.