Simpson Strong-Tie WA37214MG 3/8" x 2-1/4" Mechanical Galvanized Wedge Anchor (50 Pack) - Heavy Duty Concrete Fasteners for Construction, Deck Building & Structural Support

3/8-16 x 2 1/4 Wedge Anchor Mech Galv (50) - WEDGE-ALL wedge anchors are a non-bottom bearing, wedge style expansion anchor for use in solid concrete or grout-filled masonry. A one-piece clip ensures uniform holding capacity that increases as tension is applied. The threaded stud version is available in eight diameters and multiple lengths. A single size tie-wire version is available for wire supported fixtures. Threaded studs are set by tightening the nut.