Simpson Strong-Tie HDU HDU8-SDS2.5 Holdown 16-5/8 in L 3 in W Steel Galvanized - Pack of 6

The HDU is designed for use in shearwalls and braced-wall panels, as well as other lateral applications in wood construction. The HDU uses Strong-Drive® SDS heavy-duty connector screws which install easily, reduce fastener slip and provide a greater net section than bolts.