Grip Rite Prime Guard 3418AB20 Grip Rite BRIGHT Finished Anchor Bolt with Nut and Round SAE Washer 3/4-inch by 18-inch 20 per box 3/4-inch by 18-inch Anchor Bolt Nut and Washer Included, 20 Per Box For Attaching Bottom Plate or Sill Plate to Newly Poured Concrete Foundation Washers and Nuts Included Meets ASTM A307 Specifications