Grip Rite Prime Guard 128GAB50 Hot Dipped Galvanized Anchor Bolt with Nut and Rou, 1/2-Inch by 8-Inch 1/2-inch by 8-inch Anchor Bolt Nut and Washer Included, 50 Per Box For Attaching Bottom Plate or Sill Plate to Newly Poured Concrete Foundation Washers and Nuts Included Meets ASTM A307 Specifications