Brand Name: Hillman
*Diameter: 1/4 in.
*Length: 2-1/2 in.
*Material: Steel
*Head Style: Mushroom Head
*Product Type: Spike Anchors
*Number in Package: 50 pk
*Application: Brick, Concrete, Hollow Block
*Screw Included: Yes
*Thread Type: High/Low
*Dimeter: 1/4 in.
*Minimum Embedment: 1-1/4 in.
*Capacity: 160 lb.
*Screw Length: 2-1/2 in.
*Packaging Type: Boxed
*Required Drill Hole Size: 1/4 in.