UNBREAKABLE LOCK FOR SECURITY - The whole lock body adopts the most solid lock material - Stainless steel 304, with the advantages of anti-rust, anti-drilling, anti-prying and extra long service life. Hardened steel shackle offers extra cut resistance. And the slide button will not fall off as easily as other locks, safe enough to protect your thumb from being scratched while sliding it open or closed. So its solid construction means you can use it for years without worrying. WATERPROOF & RUSTPROOF - This lock is 100% outdoor weather resistant, corrosion resistant. Operate smoothly and these numbers don't get stuck whether in bad weather, cold weather, or when it rains EASY SETTING KEYLESS DIAL - Offers 10,000 codes which make it much more security than the 3 digit lock. According to our instructions, you can set a new combination within 10 seconds. WORKS IN ALL CONDITIONS - Designed to fit a padlock eye of at least 25/64" (9.9mm) diameter. Excellent for storage units, fence, garages, sheds, trailers, outdoor gates, warehouses, moving trucks, etc. EXCEPTIONAL CUSTOMER SERVICE - We offer a 12-month worry-free guarantee on all of our locks, and our friendly customer service team is always available to help you with any questions or concerns you may have. We're committed to providing you with an exceptional shopping experience.