The Master Lock No. 1174 ProSeries® Resettable Combination Padlock is designed for commercial/industrial applications and features a 2-1/4in (57mm) wide stainless steel body and a 1-1/16in (28mm) tall, 5/16in (8mm) diameter stainless steel shackle for extreme corrosion resistance. A set-your-own combination feature offers convenience and security with 10,000 possible combinations – no reset tool required – and a deadlocking mechanism protects against prying, shimming and rap attacks.