The Master Lock 175D Combination Padlock is a high-quality access control equipment designed for business and industrial use. Made with durable brass and steel materials, this padlock features a 1-inch interior shackle width and height, with a shackle diameter of 5/16 inches. Its resettable combination type ensures security and convenience for locking and unlocking. With the trusted Master Lock brand behind it, this combination padlock is a reliable choice for facility maintenance and safety needs.