This bracket kit is designed to refit factory Rear Parking Sensors (RPS) from the stock bumper bar into a Flat surface on the rear of your Tray/Canopy or Bull Bar Upto 5mm Thick. Kit includes 4 sensor brackets. Suits Vehicle: Holden Colorado (2012-2020) Dodge Ram (DS 2009-Current)** Chevy Silverado 1500 & 2500**