Product Name: Clips/Rivets/Fastener Color: Black Material: Plastic Under Engine Splash Guard Rivet Fastener Clips Plastic Push-Type Bumper Retainer Clip Fit Hole Size: 6mm/0.23inch Head Diameter(max.): 15mm/0.6inch Stem Length: 10mm/0.4inch Total Length: 22mm/0.86inch Dimension: 22 x 15mm/0.86inch x 0.6inch(LxD) 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. Package Content: 300(+/-2%) x Plastic Rivet Fastener Only the above package content, other products are not included. Note: Light shooting 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 +/- 1-3cm.