CablesOnline 5-PACK Replacement Mouse Ball, 21.0mm

Give your older mouse a boost by replacing its ball.

Features:

* 5x Mouse balls
* Makes an excellent replacement for old balls that become too cakey, dusty, and dirty for smooth use
* Quality balls made of steel covered with rubber
* Provides excellent tracking and reliability
* Standard Size: 21.0 mm
* Weight: 30g

CablesOnline Part Number: MS-B01-5