EXPANDETS BLUE 1IN *Brand Name: HILLMAN *Diameter: .3125 in. *Length: 1 in. *Material: Plastic *Head Style: Round Head *Product Type: Ribbed Anchor *Number in Package: 100 pk *Screw Included: No *Packaging Type: Boxed *Thread Type: High/Low *Required Drill Hole Size: 9/32 in. *Capacity: 100 lb *Application: Brick, Concrete, Hollow Block