Perixx PERIPRO-303 1.34 Inches Trackball - Replacement Ball for M570, PERIMICE-517/520/717/720, and Other Compatible Trackball Mouse (Pink)

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 1.34 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 PINK: In a glossy pink color; Also available in glossy red, glossy blue, glossy, purple, glossy yellow, glossy lavender, and, glossy green