The light weight, easy to assembly T-Slotted aluminum extrusion framing system, often referred to as “Industrial Erector Set” or 80/20 has become very popular. The system can be used to build custom carts, benches, workstations, robotic fixtures, tables, display cases, safety enclosures and entire assembly lines.  Industrial erector set applications are limitless and so are the selection of casters to move around the final design or leveling feet to provide a level, stable base, one that limits tipping, vibration, wear and noise. California Caster offers a vast selection of casters and leveling feet in a wide range of size and weight requirements. CAD drawings and specifications sheets are available on our website.  If you do not see what you are looking for on our website or are uncertain about what you need, please contact our customer service department at 800-950-8750 and they would be happy to help you find the correct caster or leveler for your application. We also specialize in designing custom solutions for application specific requirements. Industrial Erector Set Casters & Levelers