A2 stainless steelself-tapping countersink PZD screws for multipurpose applications in the home, workshop and garage. Includes assorted sizes: 3/8″ x 4, 1/2″ x 4, 3/4″ x 4, 1/2″ x 6, 5/8″ x 6, 3/4″ x 6, 1″ x 6, 1-1/4″ x 6, 1″ x 8, 1-1/4″ x 8, 1-1/2″ x 8. Handy storage case with compartments