American / Master Padlock Driver Sold in Packs of 6 . Model ADRMED6 . Used in Locks A3600, A3700, A3800 . All medecco 20 series Cylinders Some cylinders that can be used in American locks do not have a plug end designed to inter face with the American Lock actuator. To overcome that problem an extra par t called a driver is needed to adapt the cylinder.
