1/4″(6.3mm) Hole Size Push-Type Door Panel Clip. Head diameter: 15mm; stem length: 13.5mm
It’s a General Motors part with an OEM part number 15960325.This retainer 100
GM selected models door panel push-type retainers. Made of high quality nybetter than recycled nylon, polypropylene (PP) or ABS. Head diameter: 15mm (9/16″); stem length: 16.3mm (41/64″) and fits hole: 7mm (1/4″). prior to ordering please verify if the part fits your vehicle – original part number: 15960325 Gripper box 2191T. 100