Simpson Strong-Tie's 5/16 in. x 2-1/2 in. Horizontal Wood Rod Hanger Anchor for 3/8-16 Threaded Rod features a zinc-plated finish for corrosion resistance in typical interior construction environments and is engineered specifically for use with 3/8-16 threaded rod. The horizontal wood rod hanger design helps simplify overhead support installations by creating a threaded connection directly within compatible wood framing. Suitable for contractors, installers, and maintenance professionals, these anchors provide a consistent fastening method for suspended piping, conduit, cable, equipment, and other building services where wood framing is the supporting substrate.