6 -1.00 x 30mm 10mm Indented Hex Head 24mm Outside Diameter Loose Washer Black Finish Metric Type CA Body Bolts Compare With: G.M. # 11503825, Auveco # 13618, Disco # 11135PK, 11135B, Crest Midwest # CRX618, Kimball / Midwest # 10677