This wire metal Salt Block Holder gives maximum exposure of the block to your livestock. while providing protection of the corners and deterring animals from removing the block. Vinyl dipped for added protection and rust prevention. Easily attaches to any stall. post. or wall with fencing staples or screws (not included). Measures 3.125 inch long by 5 inch wide by 5.625 inch high. holds one 4-lb. salt or mineral block.