Model E2000 Essentials Stool Parts Listing Rear Stabilizer Bar Unit | WEIGHT CAPACITY: 250 Ibs. CAUTION: 1. Do not use this stool as a step ladder. 2. Check the Rear Stabilizer Bar every 8 months to ensure that it is secure. Assembly Instructions No Tools Needed. Step 1: Stand Stool upright. Step 2: Insert the ends of the Rear Stabilizer Bar into the corresponding holes in the per-attached Stabilizer Bar and push in. It is natural for the bar to wiggle slightly. Under normal use, the bar will not detach.