The Ultimate Mounting Hardware Kit includes: eight (8) standard fasteners for domestic vehicles, eight (8) metric fasteners for import vehicles, a unique Star Pin® key for installation, four (4) rubber washers, two (2) plastic nuts and two (2) metal nuts. The Rattle Stop® fasteners securely attach the license plate and frame together on the two (2) lower fastener holes to prevent rattling. The locking Star Pin® fasteners are designed to deter removal of a license plate.