Wolfride 10Pcs Router Bit Bearing Set Top Bearings for Flush Trim Router Bit|Interior Dia

Top mounted router bit bearings, interior diameter: 3/16”, outer diameter: 1/2”. Use the bearings to repair your router bits if the top bearing in your router bit is broken. With the bearings, create a different depths or widths groove in the board. Containing bearings, set screws and hex key wrenches. Made of high quality carbide steel, please wear gloves for longer service life when using.