ANCHR LOK/BLT 1/2X3"BX12 *Brand Name: HILLMAN *Diameter: 1/2 in. *Length: 3 in. *Material: Steel *Head Style: Hex Head *Product Type: Sleeve Anchors *Number in Package: 12 pk *Screw Included: Yes *Packaging Type: Boxed *Thread Type: High/Low *Required Drill Hole Size: 1/2 in. *Screw Length: 3 in. *Minimum Embedment: 2-1/4 in. *Capacity: 935 lb *Application:Brick, Concrete, Hollow Block