100 Qty: C.S.Osborne & Co. No. 6987-ZPM 5/8 - Zinc Plated Matt Pewter - Low Domed/Post : 5/8" Head: 3/4" (mpn# 13808) No. 6987-ZPM 5/8 - Zinc Plated Matt Pewter - Low Domed Head diameter is approximately 3/4". post lengths: 5/8" 100 QTY