Cruiser Accessories Ultimate Locking Fasteners Kit in Stainless Steel is the complete hardware solution to accommodate license/novelty plate needs for both domestic and import vehicles. Cruiser Accessories holds a utility patent on the Rattle Stop assembly due to it's unique design, as they attach a license/novelty plate, frame and or shield together on the 2 lower fastener holes to prevent rattling. Rattle Stop nuts also protects vehicle against scratches by limiting contact between the vehicle and the license plate. The Star Pin design of the fasteners deters removal of a license plate without the included Star Pin wrench. Includes: 4 locking stainless Star Pin standard fasteners (1/4" x 3/4" (6.35 x 19.05 mm) with 4 plastic nuts 1/4" (6.35 mm), 4 locking stainless Star Pin metric fasteners (M6 x 20mm) with 4 steel nylon lock nuts, 4 locking stainless Star Pin metric fasteners (M5 x 20mm), 4 locking stainless Rattle Stops with 4 fasteners, 8 black plastic spacers and 1 unique Star Pin wrench for installation.