The indoor and outdoor padlock is best suited as a school locker lock, gym and gate lock, providing protection and security from theft Combination lock is constructed with a solid body for strength and weather resistance, hardened steel shackle for cut resistance 51mm wide lock body; 8mm diameter shackle with 25mm length, 25mm width Includes four own combination locks. Shackle is preset to open to 0-0-0-0. Some instructions may incorrectly state that the shackle opens on L-O-C-k. See user manual in the Technical Specifications section on this page for correct instructions on how to reset the combination. International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions., Weight: 3.0423792156 pounds, Manufacturer: Master Lock