6.3 - 1.00mm Screw Size Panel Range: .80 - 4mm Center of Hole to Edge: 17/32" (13.50mm) Black Finish Extruded "U" Nuts Compare with: Auveco #11627, G.M. # 11500658, GM# 11502785 GM# 9433043, Car Pak # 76-4316, 764316, W&E # 5901, Barnes / Kar # KP71423, MP1504, RT86607, Crest / Midwest # CRMMUN-4, CRX7472, CRMMUN4, Disco # 5559PK, 5559B, Kent / Lawson # P32756, Winzer # 396.63, Wurth # 150159329, Kimball / Midwest # 10308, 10962