Seat Mobile Workstation Large Spinning Gear Tray keeps all of your parts and tools within a quick and easy reach. A small parts bin includes a handy measuring chart with a ruler and diameter measures. The Spinning Gear Tray looks like a gear and the gear cogs provide extra strength around the tray. New X frame design and (4) 5” casters. Molded seat form fits your bottom and an abundance of padding makes long days in the saddle a breeze. Weight capacity 450 lbs.. Weighs 18.75 lbs.. Replaces the REL-2-983 Monster Roll Seat 2-230 Prop65 information pending -