Please note these locks are available but minimum order quantity of 10 applies. For any bulk buy orders or special rates, please contact us to place orders; [email protected]u We are happy to accept PO's from schools, just send across an email enquiry. Product Features Patented BlockGuard® Anti-Shim Technology withstands attempts to violate the latch mechanism Includes combination chart to facilitate lock system administration Key control feature provides supervisory access; specify key to match existing system or factory assigned 48mm wide double-reinforced stainless steel body withstands abuse 19mm tall, hardened steel shackle for extra cut resistance Easy 3-number dialing with automatic scrambling feature to prevent reopening of lock Optional color dials, customized dials, locks sold in groups of combinations, back case printing, and Simple Combo™ combinations - see Catalog for details Product Details The Master Lock No. 1525 3-digit combination padlock includes key control feature for supervisory access along with many enhanced security features like the exclusive BlockGuard® Anti-Shim technology, hardened steel shackles and double-reinforced stainless steel casing. Designed to fit lockers with a padlock eye of at least 8mm diameter, these locks provide multiple customization options to fit your needs.