uxcell a14062500ux0175 8mm Hole Black Rivets Bumper Door Fastener Push Clips 20 Pcs for Auto, Pack Fit hole size: 8mm/0. 3"; product name: plastic rivet Color: Black; head diameter. ): 18. 5mm/0. 73 Stem length: 15mm/0. 6"; total length: 22. 5mm/0. 8" Quantity: 20; material: plastic Package content: 20 pcs x plastic rivet