30pcs Router Bits Top Mounted Ball Bearings Guide for Router Bit

Replace or repair most any damaged or lost router bit bearingshave superior rust resistance and the excellent of oxidation resistanceSmall friction coefficient, Precision bearing specially designed for high rpm use on router bits.colour:SilverMaterial:steelsize:Outer diameter 12.7mmInner diameter: 4.96mmSuitable for: 12.7mmPackage Contents:30 x Bearings3 x hex key wrenchOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.