GM Extruded U Nut M6-1.0 Screw Size Phosphate (GM # 11503715, 11508241, 11609385) - Package of 24 GM Extruded U Nut M6-1.0 Screw Size Phosphate 11503715, 11508241, 11609385 Panel Range: 0.34MM-4.0MM(0.015"-0.160") Center of Hole to Edge: 19.5MM(25/32") GM # 11503715, 11508241, 11609385 Pack of 24