<ul><li>It can replace your scratched, broken, non-working mouse ball</li><li>It is used one, can work in good condition</li><li>It is a good fit for Cordless Optical for T-RB22 Mouse</li></ul> pizarra Item name: Mouse ball trackball Diameter: 4.3 cm/ 1.69inch colour: red Material: Plastic Contents: 1 x Mouse Trackball Only the above content, other are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.

pizarra Mouse Ball Trackball Replacement for Cordless Optical for T-RB22 Mouse Repair Part