Red Head 3/8 in. x 1-7/8 in. Hex Sleeve Anchor (25-Pack)

Red Head 3/8 in. x 1-7/8 in. Zinc-Plated Steel Hex-Nut-Head Sleeve Anchors (25-Pack) are designed for fastening applications in porous concrete, hollow or grout-filled block and brick. Use to install electrical boxes, shelf ledgers and conduit and door frames. Red Head Sleeve Anchors are contractor grade and building code approved.