Cruiser Accessories 81430 Locking Fasteners, Stainless Rattle Stop Kit-Metric Star Pin The Rattle Stop hardware is designed to keep the license plate from rattling and the metric locking stainless Star Pin fasteners are designed uniquely to deter the removal of any license plate frame from a vehicle The design of these metric fasteners with the star center makes it impossible to remove screws without the special Star Pin key, keep the key for future use Designed to fit all novelty/license plates for import vehicles Includes two (2) Rattle Stop fasteners, two (2) M6 x 20mm (M6 x .787 inch) fasteners, four (4) plastic washers, two (2) nuts and one (1) special Star Pin key for installation User friendly and easy to install, see back of package for installation instructions