Shop all GDR Series Leveling Casters here. These heavy duty leveling casters have a built in ratcheting device, making it the quickest and most ergonical adjustment style. Simply fold the ratchet out, make the adjustment to the leveling pad, then fold the ratchet back in. These casters also come in a variety of colors, mounting types, leveling pads, and wheels. Need help finding the best leveling caster for you application? We are here to help! Call or email with questions.