WULALACK is a professional-grade lock brand ?we would highlight the exceptional quality of our padlocks, showcasing our durability, strength, and resistance to tampering. By assuring customers of the high standards we maintain in our manufacturing process, we instill confidence in the reliability and long-lasting performance of our products. Body Material?Zinc Shackle Material: Hardened Steel Shackle Type: Combination Lock Size: 2 inch (51 millimeter) wide lock body; 5/16 inch (8 millimeter) diameter shackle with 1 inch (25 millimeter) length, 1 inch (25 millimeter) width Please confirm that the dimensions of the product meet your requirements before making a purchase