The FastEddy Arrma Big Rock 3S BLX Sealed Bearing Kit is a high-quality product manufactured in the United States by FastEddy. This sealed bearing kit is designed to fit the Arrma Big Rock 3S BLX model, providing a smooth and efficient operation for RC enthusiasts. With a harmonized system code of 9503.00.0000, this bearing kit is a reliable choice for those looking to upgrade their RC vehicle's performance.