We know the product very well as our company has over 55 years of experience operating vending machines in America, so we have corrected and improved many of the parts we use in our machines and spare parts to create a better, more durable and better quality product, with which our customers can enjoy a better vending experience. We know how fragile these locks used to be in the past, that's why we bring you this new state of the art version, which promises to be much more durable and stronger. NEW REPLACEMENT LOCK FOR LYPC, PROLINE, CLASSIC, TITAN, VENDMASTER, SILENT SALES FORCE (DOES NOT FIT ALL SSF MACHINES SO PLEASE CONFIRM BEFORE PURCHASING AND COMPARE THE TOP COVER IN THE PICTURES WITH THE ONES YOU HAVE). Fits most classic gum/candy/capsule machines. SET INCLUDES: 2 keys and 2 locks. We also include stickers for your machine with the key number and a space to fill in with your machine number.