Features: * For fastening applications in concrete, hollow block, grout filled block and brick * Contractor grade anchors * Anchor diameter equals hole diameter * Applications: machinery and supports, window frames, partitions, cabinets and shelves, duct straps, pipe support What"s In The Box: * ITW Contractor Fasteners 50112 Sleeve Anchor 5/16 in. X 1.5 in. Hex - 0793539