Iron Surface Bolt with Decorative Back Plate and Rusty Patina. The metal is raw, unsealed and will continue to age if left in its natural state. These surface bolts are very rustic. Each back plate has four mounting holes. Mounting hardware is not included. 9"W x 2"H x 1.5"D Weight: 0.58 lbs. Item Measurements: 9" x 1.875"