Aluminum anodized polished chrome that won"t rust. Mounting brackets measuring 1""x4""x4"". Mounting hardware included. Securely holds a 48 quart cooler up to 84 quart cooler. Four rod holders, two on each end. Black PVC grooved caps on top of rod holders. Rod holder measure 10"" x 2"". Item Length: 20. Item Height: 8. Item Width: 11