LAG SCRW BLK 5/16X1-1/2" *Brand Name: National Hardware *Size: 5/16 in. *Length: 1-1/2 in. *Head Type: Hex *Finish: Zinc-Plated *Material: Steel *Product Type: Lag Screw *Number in Package: 6 pk *Packaging Type: Carded *Thread Type: Coarse