Actuator levers, collets and collet tools for use in process control devices are disclosed. An example apparatus includes a tool for installing or removing a collet from an actuator lever. The example tool comprises a tool body and at least one of a plurality of inner-diameter threads, a plurality of outer-diameter threads, or a plate to removably couple the tool to at least one of an actuator lever or a collet. The tool is configured to apply a force to at least one of the actuator lever, the collet, a valve shaft, or an intervening structure to install the collet in or remove the collet from the actuator lever.