Product Name: Clips/Rivets/FastenerColor: BlackMaterial: PlasticUnder Engine Splash Guard Rivet Fastener Clips Plastic Push-Type Bumper Retainer ClipPackage Content: 50(+/-2%) x Plastic Rivet FastenerFit Hole Size: 6mm/0.23"Head Diameter(max.): 15mm/0.6"Stem Length: 10mm/0.4"Total Length: 22mm/0.86"Dimension: 22 x 15mm/0.86" x 0.6"(L*D) The Rivet expands in the hole as the drive pin is pushed inwards, locking the assembly firmly into place.These fasteners are best fitted using the Expansion Drive Rivet Tools.Light weight and excellent insulation, they can be used on buses, trains, planes, truck, car.Note:Light and different displays may cause the color of the item in the picture a little different from the real thing.The measurement allowed error is +/-1-3 cm.