"RAWL" POWER STUD WEDGE ANCHOR 25 Pack, 1/2 x 2-3/4", Power Stud Wedge Anchor, Carbon Steel/Zinc, Thread Length 1-1/4", Minimum Embedment 2-1/4", Ultimate Tension 4,000 PSI 6,625 LB, Ultimate Shear 4,000 PSI 7,150 LB. Features:- Size: 1/2" x 2-3/4" Finish: Steel/Zinc Drill Size: 1/2" Min. Embedment: 2-1/4" Thread Lengt