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. Measures 3-1/8 in L by 5 in W by 5-5/8 in H, holds one 4 lb salt or mineral block.