Interior Door Trim Plastic Panel Retainer Clip For GM Vehicle Chevrolet Astro Fit for hole: 8mm; Collar diameter:7.2mm x 15mm/19mm x 22mm ; Stem length: 19mm;Color: White . From China: 7-15 working days for delivery with tracking number. Fits For Astro 1985-On; Fits Mini-Vans 1985-On;Safari 1985-On;GM Automobiles 1983-On For GM Replaces 15588024, 15596301 For GM Replaces 10073833, 15600382, 20421800