3" Diameter Trackball with Harness, Blue Translucent with 6V Lamp Your Price: 1+$84.75

Durable black polycarbonate plastic material 3" diameter ball

Exceptional performance and precision is achieved from hardened steel shafts

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, illuminated ball optional, external lamp power required.