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 ?Steel Cylinder Material : Brass Type : Keyed Padlock Size : 2 in. wide lock body;5/16 in. diameter shackle with 2-3/8 in. to 5-15/16 in. length, 1 in. width Please measure your door's backset, cross bore and thickness to ensure you find the right fit.