These #7 x 9/16 in. clear zinc screws are designed for light gauge metal 18-30 mil (25-20 ga) applications where a low profile head is desired. The super sharp Vector point means quick and easy penetration into metal, while the modified truss head provides greater bearing surface. They are the right screw for K-lath installation and framing applications. The screws also have extra sharp fine threads and under head serrations. • #7 x 9/16 in., #2 Phillips drive, modified truss head • Extra sharp Vector point • Extra sharp fine threads • Under head serrations • Clear zinc coating • For light gauge metal 18-30 mil (25-20 ga), K-lath installation and framing • Sold as a 1 lb. box