45 x buckle: 25*a + 20*bProduct Name: Clips/Rivets/FastenerHead Diameter(max.): 20mm/0.8 inch;Interchange Part Number: Under Engine Splash Guard Rivet Fastener Clips; Manufacturer Part Number: Plastic Push-Type Bumper Retainer ClipOther Part Number: Screw Fender Body Door Trim Panel Hood; Applications: Defender Door Card Interior Weatherstrip Moulding;Widely used for fenders,bumpers,doors,side fenders and other surfaces.They can be used in motorcycles,buses,cars,trucks,caravans,etc.Color: BlackCorresponding Hole Size: 8mm / 0.3 inch/10mm/0.4 inchThese rivet fasteners are made of plastic material,suitable for car use.Car good accessory,commonly used for fitting side skirts,bumpers and other trim.These clips are suitable for firmly holding anything within a fit diameter hole.They can be used on buses,trains,planes,truck,caravans and car.Body Length: 15mm / 0.59 inch/17mm/0.6 inchTotal length 17mm / 0.67 inch/26mm/1 inchOther Number of Parts: Screw and Hood for Bumper Door Cover FendersUse 1: Seal Fixing of the Interior of Doors and WindowsUse 2: Carpet Clips and Mat for the FloorMaterial: Plastic materialPackage Contents: 45 x buckleOnly the above package content,other products are not included.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 +/- 1-3cm.