Simpson Strong-Tie HDU HDU5-SDS2.5 Holdown, 13-3/16 in L, 3 in W, Steel, Galvanized Value Packs-vr provides at least 95% filtration

provides at least 95% filtration efficiency against solid and liquid aerosols including oils

(1) 3/8 x 1 in

tile and asphalt

so you can get to work right away

It's powered by two 18 V LXT® lithium-ion batteries (sold separately) for maximum performance and has an electronically controlled BL™ brushless motor that matches torque and RPM to the application

Simpson Strong-Tie HDU HDU5-SDS2.5 Holdown, 13-3/16 in L, 3 in W, Steel, Galvanized Value Packs-vr provides at least 95% filtrationThe 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.