2-1/2" diameter, tapered, single wheel style for superior mobility, especially for low-to-medium pile carpeting. Weight rating: 75 lbs. per wheels. Available with hard or soft wheel. Add a step-on brake for safety and convenience. (available on hard or soft wheels). 4 piece caster sets include 2 brake casters. Add "B2" to the model number. If 4 brake casters are required, add "B4" to the model number
