Sold in store by the unit
1/2X5 1/2 WEDGE ANCHOR 25 PK
Rawl, 25 Pack, 1/2 x 5-1/2", Power Stud Wedge Anchor, Carbon Steel/Zinc, Thread Length 4", Minimum Embedment 2-1/4", Ultimate Tension 4,000 PSI Concrete 6,625 LB, Ultimate Shear 4,000 PSI 7,150 LB.