?Strong Security?Large heavy-duty combination lock with the combination located at the bottom for better concealment, waterproof and dustproof. It is firmly stuck with the locking tongue through two catches on the lock beam, and the design of double catches greatly strengthens the difficulty of prying. Higher cost performance. At the same time to provide first-class security protection for your belongings ?High Quality, Sturdy?The housing is made of heavy-duty zinc alloy one-piece molded lock body with 8mm thickened diameter hardened steel lock beam, which is strong to prevent shearing and prying. Over 180 hours in a salt spray test has been conducted to prove its resistance against harsh conditions ?4 Digit Combinations?The 4-digit combination lock offers 10,000 unique combinations for greater security. Allows you to set your own combination without any additional tools or accessories (Tip: Be sure to back up every time you change your password, forgetting your password means you can't unlock or reset it.) ?Wide Range of Applications?2.02 inch (51.5 millimeter) wide lock body; 0.31 inch (8 millimeter) diameter shackle with 2.16 inch (55 millimeter) length, 0.94 inch (24 millimeter) width, Extended shackle for application flexibility. Weighs 226g. Suitable for gates, warehouses, storage rooms, fences, toolboxes, basements, schools, and other indoor and outdoor scenarios ?Buy With Confidence?Made of high quality zinc alloy, waterproof, rustproof, snowproof and anti-theft, specially designed for outdoor use. Diyife padlocks provide you with the strength and reliability you need