6-1.00mm Screw Size Panel Range: 3.40 - 6.3mm Center of Hole to Edge: 17/32" (13.50mm) Black Phosphate Finish Extruded U-Nuts Compare with: Auveco #16842, G.M. # 11504047, Ford # N802331-S53, N802331S53, Crest / Midwest # CRX11196, Clip Lizard # 110263, Disco # 9512PK, 9512B