Flat Head Screw Posts. Available in 3 lengths. The medium is 3/16" in length, the head is 7/16" and has a slight beveled edge. The overall length when installed is 1/4". Phillips screwback. Made from Solid Brass finished in Nickel Plate or Antique Brass. Priced per 10pk. For Antique SB order Item #020-802103.