About the product
- REPLACEMENT TRACKBALL - Designed for any trackball mice using 1.34 (34mm) trackball size; Such as: PERIMICE-517/717, MX Ergo, M570, Cordless, TrackMan Wheel (not include Trackman Marble), M-XT3DRBK (EX-6), M-DT2URBK, EX-G/DEFT, MA-WTB43BK
- SMOOTH SURFACE - The surface is treated with a special coating to provide a precise and smooth tracking performance
- ABSOLUTE SPHERICAL - A diameter of 2.17 inches; Provides fast movements and works perfectly for multiple screen control
- HOW TO REMOVE THE TRACKBALL - The trackball from PERIMICE-517/717 can be easily removed from the bottom hole of the mouse, using the tip of your finger
- GLOSSY RED: In an illuminated glossy maroon red; Also available in glossy silver, glossy blue, glossy, purple, glossy pink, glossy yellow, and, glossy green
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