8 x 1/2" 13/32" O.D. Washer Phillips Flat Top Washer Head Black Phosphate Finish Trim Screws Compare with: Auveco #12213, G.M. # 11505104, Ford# 56902-S2, 56902S2, Car Pak # 73-3912, 733912, W&E # 2585, Crest / Midwest # CRX10794, Disco # 5791PK, 5791B