Simpson J1621 16-21" Jack Pier HSLQ Heavy Shear Transfer Angle Pre-drilling may be required when

Pre-drilling may be required when working with dense engineered wood to prevent splitting

The QDPRO250G2 subfloor attachment features-

The 1-5/8" x 1-5/8" Solid Strut Channel 1 ft

heavy-gauge notched angle that affixes two members at 90°

Application: Secures wood posts to concrete surfaces for decks

Simpson J1621 16-21" Jack Pier HSLQ Heavy Shear Transfer Angle Pre-drilling may be required whenThe Simpson Jack Pier is a durable, adjustable support system designed to provide supplemental or temporary support for beams and joists in residential and light commercial applications. Whether stabilizing sagging floors, correcting uneven structures, or reinforcing new installations, the Jack Pier delivers fast, stable, and reliable results. Engineered for performance, it features a rugged steel tube design, pre attached base, and adjustable screw