Pachislo Slot Machine Power Supply for Older Yamasa machines, includes reset key. Tested and working. Originally from Speed, fits other Older Yamasa Machines. BE SURE your connectors match the connectors on the bottom of the power supply. There are other power supplies that look almost identical. To be sure your machine has the same power supply: Match the connectors of this power supply EXACTLY. Match the front buttons to your power supply EXACTLY. Similar power supplies will not work, yours needs to be EXACT. Will be taken at random from inventory. Will have either an OEM lock or an installed reset switch. both the reset locks and switches are a little loose. Can use as it is or just tighten the nut on the inside of the lock.