Fender Liner Retainer Push-Type Clip A20991 For Chevrolet For GM 11589292 Fit for hole: 8.5mm; Collar diameter:20mm; Stem length: 20mm;Color: Black . From China: 7-15 working days for delivery with tracking number. For GM Replaces 11589292, For Auveco A20991 For Chevrolet & For GMC C & K Trucks 2007-2008 Panel Range: 2.0mm-4.5mm