4 hole sizes from 6.3mm(1/4″), 8mm(5/16″ ), 9mm(23/64″ ), 10mm(25/64″ ). 6 different push pin rivet for ATV & many brand vehicles. Great for Door Trim, Car Fender, Bumper, Side Skirt, Radiator Shield, Splash Shield Retainers All packed in a plastic container for easy organization and storage.