【HIGH-CARBON BEARING STEEL】These bearings are made of high quality High-carbon bearing steel, which has the features of low noise and long service life.
【DOUBLE SHIELDED】The ball bearings are used for applications where space limitations are of the utmost importance. They are double shielded to avoid contaminants entering and save lubricant.
【SUITABLE FOR】These Deep Groove Ball Bearings are great for small hobby 17mm shaft/rod projects, such as mechanical equipment, electrical instruments, toys, doors and windows.
【10 PIECES】There comes total 10 pieces miniature bearings which you may use for many different projects, such as skateboard wheels, model, toys, furniture accessories, assembly line, etc.