M4.2-1.41 (#8) Extruded U Type Nuts Compatible with GM: 11515638 – Box of 25 CHECK YOUR PART NUMBER AND ENSURE THIS WILL WORK WITH YOUR APPLICATION YOU WILL RECEIVE TWENTY FIVE (25) NUTS Metric Extruded U Nut Zinc Organic M4.2-1.41 (#8) Screw Size Locking Thread Panel Range: .65mm-3.80mm (.025?-.150?) Center Of Hole To Edge: 15mm Compatible With GM: 11515638 25 Per Package FREE SHIPPING TO ALL OF THE USA (includes Alaska, Hawaii, Puerto Rico, Guam, APO/FPO, Other Protectorates)