![Happ Trackball](/images/stories/virtuemart/product/happ-trackball-two-and-quarter22.jpg)
Made in USA. Durable black polycarbonate plastic material. 2-1/4" diameter ball (standard color white). Custom colors available. Standard AMOA harness included. Mounting hardware sold separately. Mounting kits available for wood or metal. Can be used as a heavy duty alternative to a mouse for interactive displays when used in conjunction with trackball interface kit. Translucent ball optional. This product is manufactured under a technology license agreement with Atari Games Corporation �