THINGUMA K-532 Camera Mounting Plate Combo Tool Handy and convenient Compatible with most Arca-Swiss style camera plate screws Low profile: easily added to your keyring Patent No. US D788,447 S Made in the USA High quality hardened tool steel alloy Camera quick release plates Common household slotted screws for electronics or other Bicylces with 4mm screws Rifles - sighting in the scope or attaching aftermarket photo or video equipment to scope Other circumstances one might encounter with a 5/32&#034; or 4mm hex screw or slotted screws