Umbrella Anchor Material Plastic Tube Length 6 in Tube Diameter 0.625 in Ultimate Shear Strength 3 109 lb Ultimate Tension Strength 3 558 lb Compatible Anchor Type Adhesive Anchors Product Type Umbrella Anchor Compatible Anchor Diameter 1/2 in 1/4 in 3/8 in Compatible Material Block Brick Features High-Load Capacity Large Bearing Surface Series HBU Package Quantity 20