Check the listing for details. Polyend Tracker Hard Case. Condition: New. Listed at 79.00 USD. The Polyend Tracker case features a shockproof hard shell and a simple, minimalistic design with a zipper allowing the case to be fully opened. It ensures a snug fit for your instrument, and is compact enough to fit in a backpack and keep your Tracker unscathed wherever you go. This case fits the Tracker only, without accessories (charger, cables, adapters).