Center Replaceable Ball Loaded mold date indicators are used as indispensable parts of injection molding of plastic products. These mold date indicators are offered with easy to replace center bottom. In their bottom, ball is loaded in manner like Year Only, Month Only, Day only, weak/year and so on. These Center Replaceable Ball Loaded mold date indicators are useful to provide the users necessary information like date and month of manufacturing of molded work piece. These mold inserts can also provide information about the exact hour and shift of produced molded objects.