Perixx PERIPRO 303GLG Trackball, 1.34 Inch Replacement Ball for Perimice and M570, Glossy Green

REPLACEMENT TRACKBALL - Designed for any trackball mice using 1.34 (34mm) trackball size; Such as from Perixx: PERIMICE-517/717, Logitech: MX Ergo, M570, Cordless, Kensington: TrackMan Wheel (not include Trackman Marble), Elecom: M-XT3DRBK (EX-6), M-DT2URBK, EX-G/DEFT Sanwa: 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 YELLOW: In a glossy green color; Also available in glossy red, glossy blue, glossy, purple, glossy pink, glossy lavender, and, glossy yellow