LZYDD 40MM Ball for Kensington Orbit Trackball Mouse (K64327F) /SANWA GMAWTB40, GMABTTB41, GMATB39, Kensington Orbit Fusion / K70990WW, K72675WW, K72337US, K70991WW, K70990WW

The trackball can be easily removed. Simply replace it and it gives you fast movement and huge or multiple screen control work. Its glossy surface, appropriate color, and perfect thickness provides accurate control and smooth movement., This replacement ball is designed for SANWA：GMAWTB40, GMABTTB41, MATB39; Kensington: Orbit Fusion(K75326WW), ‎K70990WW, K72675WW, K72337US, K70991WW, K70990WW., Come with a 40mm/1.57 inch trackball.