Interior and exterior lock is best used as a gate lock or shed lock for protection and security from theft; extra long shackle for application flexibility Combination lock is constructed with a solid body for strength and weather resistance, hardened steel shackle for cut resistance 2" (51mm) wide lock body; 5/16". 8mm diameter shackle with 2 1/4" Length:57mm Width: 25 mm Includes two own combination locks.Shackle is preset to open to 0-0-0-0; see instruction manual for combination reset instructions 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., Manufacturer: Master Lock