Key Features: Simpson Strong-Tie connectors are engineered and tested to perform and are manufactured to the highest quality standards. The FSA foundation stud anchor nails or bolts to floor joists, or nails to the stud. Plywood sheathing may require notching with stud-to-foundation installation. FSA 25-1/2 in. x 2-1/2 in. Galvanized Foundation Stud Anchor (Pack of 10).