Description: 4 Pieces 8x4x3 Ball Bearings for RC Car Upgrade Parts. High quality and durable in use. Suitable for Wltoys 1:18 A949 A959 A969 A979 K929 A959-B A969-B A979-B K929-B replacement parts. Material: Metal Specification: Inner Diameter: 4mm Outer Diameter: 8mm Thickness: 3mm Package Includes: 4 Pieces Ball 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
