Contra Angle Handpiece BearingsSize: 4mm*7mm*1.6mm (Inner/Outer/Height) Order No.: RT-B4716
Maximum Speed: 50,000rpm
This bearing work with some of the W&H Contra Angle Handpiece, W&H WA-56 Contra Angle. Just some of them, not all. Please check by yourself before buying.
Or any other handpieces which use the same size