Store your registration behind your license plate holder Adjustable brackets mount to the rear of most stock license plate assemblies Hardware mounts through the front of the license frame Tube length is 4.5รถ and is constructed of polished stainless steel Tube end caps are sealed with O-rings to ensure a water-tight seal Brackets are machined from 6061 T-6 billet aluminum, then polished and chrome-plated All necessary mounting hardware included. TUBE REGISTRATION UPRT