THINGUMA K-532 Camera Mounting Plate Combo Tool;

Please see: https://youtu.be/ai1CaNHuBOI Designed with convenience in mind, this low profile camera plate key tool is capable of tightening the mounting screw that is present on most Arca-Swiss or dovetail style camera plates. The screws are often 5/32" (4mm) hex screws or slotted screws. In either case this combination tool has you covered. The short end acts as an allen wrench, and the flat head side works on the slotted screws. The key is simply added to your keyring for use anytime you need it. You will most likely find the tool handy for many other uses as well.