This 4-pound Wire Slat Block Holder from Little Giant allows your animals plenty of access to the block while providing protection of the corners so that animals are deterred from removing the block. It's vinyl dipped for added protection and rust prevention, and it can easily attach to any stall, post, or wall with fencing staples or screws (not included). Holds one 4-pound salt or mineral block. | Little Giant 4 Pound Wire Salt Block Holder