View Larger Image Email This Item to a Friend Trackball 3" Diameter * Made in USA * Durable black polycarbonate plastic material * 3" diameter ball * 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. Price: $116.82

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