The double-wheel design of this Madico dual-wheel caster improves the maneuverability and mobility of your furniture. The twin wheels rotate independently to make turning or reversing direction effortless. The furniture caster operates smoothly, making it suitable for use on linoleum, ceramic and carpeted areas. A U-bracket mounting system makes it easy install on vertical edges of plywood, MDF or other narrow material. The dual-wheel caster is 2" in diameter and has a load capacity of 77 lbs (35 kg).