Check the listing for details. Sno-flex Mailbox Post Spring Heavy-Duty Protection from Snow Pushed by Plows. Color: Black, Condition: New. Listed at 39.99 USD. Description: Sno-flex Mailbox Post Spring Heavy-Duty Protection from Snow Pushed by Plows Snow-flex is designed to be install on a standard and unmodified 4x4 wooden post with a single mailbox. It works best on a medium or large size plastic mailbox. It can also work with a medium size standard metal mailbox with weight of less than 5lbs and a capacity of 800 cubic inches with no other accessories. Sno-flex is not recommended for plastic all-in-one mailbox and post combos. Sno-flex can be used for polymer 4x4 posts, where a modified 4x4 wood blocking will be required. Package Includes:Sno-Flex device1-1/2" Galv. Lag Bolts2" Galv. Lag BoltsGalvanized WashersShort Safety CablesMedium Safety CablesLong Safety CableInstallation Instructions Tools required for installation (Not included):SquareSaw (circular or sawzall)Drill and 3/16" Drill Bit (For Pilot holes)9/16" Wrench set to install lag bolts Condition: New Shipping: Ships with Standard Ground Shipping(may take longer near holidays or weekends). Items will only ship to your address on file after payment has been cleared. If you require an invoice/packing slip, please let us know at the time of purchase. Please message us if you have any questions and we will respond as soon as we are able. **We appreciate your business!!**