Wej-It Ankr-TITE ATSS Wedge Anchor, 316 Stainless Steel, Meets QQZ-325Z Type II Class 3 and GSA FFS-325 Group II Type 4 Class 1 Specifications, 1/2" Diameter, 5-1/2" Length, 3-3/4" Threaded Length (Pack Of 10)