Logitech MX 518 Gaming-Grade Optical Mouse - 9313520403 Built for immersive gaming Tracks perfectly on super&#45;slick gaming feet Contoured comfort grip ensures peak performance throughout the most intense gaming session 9&#45;1&#47;4Hx9&#45;1&#47;4Wx2&#45;1&#47;2L&#34;; 1&#46;1 lb&#46;