Unionlever Caster Corporation is the leading single source for design, engineering and manufacture of standard and custom application caster and wheel products for all the world’s markets. Colson offers an assortment of industrial and institutional caster and wheel products to meet your most difficult material handling problems. With over 10,000 product combinations available, whether you need a 2” stem caster or 10” heavy duty industrial caster, we can fit your application requirements. Wheels for light, medium, and heavy duty applications are available in a wide variety of tread material, tread widths and capacities. If a standard caster or wheel product does not meet your specifications, challenge our product engineers to create custom solution just for you.