There are various types of Caster Wheel offered by us that is an assembly that includes a wheel and a mount. Casters support and make it easy to maneuver carts, racks, dollies and other equipment. Caster, also known as the caster angle, is the slant measured from the top of steering axis to the bottom of the wheel when the former is attached to the latter. A caster (also known as castor according to some dictionaries) is a wheeled device typically mounted to a larger object that enables relatively easy rolling movement of the object. Caster Wheel is made available in various sizes.