The Nytro Connect-It X36 Multi Side-Tray 43x43 is a lightweight and versatile accessory that can be used in several configurations. It works as a conventional side tray, a secondary corner tray, or a rear tray on your seat box. Made from high-quality composite material, it keeps weight down while staying durable, and it fits almost any seat box or feeder chair thanks to the supplied inserts. - Compatible with 25mm inserts - Compatible with 30mm inserts - Compatible with 36mm fittings without an insert