Brand Name: HILLMAN *Diameter: 3/8 in. *Length: 3/8 *Product Type: Ribbed Anchor *Number in Package: 50 pk *Material: Zinc *Head Style: Round Head *Capacity: 300 lb. *Thread Type: High/Low *Application: Brick, Concrete, Hollow Block *Required Drill Hole Size: 5/8 in. *Minimum Embedment: 1-3/4 in. *Packaging Type: Boxed *Screw Included: No