This is a Coinco Guardian 6000 G6XUS six tube MDB (multi drop bus) coin changer $.25-$.25-$.25-$.25-$.10-$.05 configuration. Perfect for machines that accept $5 bills. It will work in any multi-price vending machine that utilizes the MDB protocol. Features the standard MDB 6 pin mini fit plug. These coin changers have been refurbished by Coinco and have been upgraded to the latest XL hardware and software. Several are available and are similar to item shown in picture.