Roadmaster 523182-5 Vehicle Baseplate EZ5 Series. Removable tabs with safety cable hooks. Includes Four 1/2 Inch x 3-1/2 Inch Bolt/ Four 1/2 Inch Lock Washer/ Four 1/2 Inch Hex Nut/ Two Side Receiver/ Two Side Arms. Includes Hardware. Compatible with 2015-2019 Chevrolet Colorado and 2015-2019 GMC Canyon.