Grabber's 1/4 in. x 3 in. Eye-Lag Coarse-Thread Sharp-Point Black Phosphate Wood Screws serve a variety of wood-to-wood ceiling and overhead fastening needs '‿ especially useful in acoustic ceiling grid installation or any job requiring wire suspension from joists. Their coarse thread and tempered-steel construction deliver dependable load-bearing capacity, while the eye-lag head simplifies attachment of wires or hooks without additional hardware. Supplied in a 5 lb. pack, these screws are convenient for both small renovation projects and larger commercial ceiling installations.