Description: 10Pieces/Pack RC Car Vehicle Model Parts Rolling Bearings Ball Bearing Material: Stainless Steel Suitable for 4x4 4WD RC Driving Car Truck Buggy Rock Crawler Models Replacement parts for vehicle model RC Car buggy truck spare parts Size Chart: Center hole diameter 2mm Outer diameter 6mm Thickness 2.5mm Package Includes: 10 Pieces RC Car Truck Rolling Bearings Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item Due to manual measurement, there may be 1-2mm error in size