Shop all GD Series leveling casters here. These heavy duty leveling casters are the benchmark in leveling caster design! The leveling pad is adjusted using a manual thumbwheel that can easily be accessed on either side of the leveling caster. These casters also come in a variety of options such as color, mounting type, leveling pad type, and wheel type. Need help finding the best leveling caster for you application? We are here to help! Call or email with questions.