6.50-2.50 x 19mm Indented Phillips Hex Head: 10mm Outer Diameter Loose Washer: 20mm Black Finish Sems® Screws Compare with: Toyota # 90159-60525, 9015960525, Disco # 13378PK, 13378B, Auveco # 21837, Kent / Lawson # 1457522, Winzer # 275.223