Ronlap furniture casters. Includes 4 three-wheel casters, 1 lever and 4 height extension pads. These casters have a low profile. This means you'll be able to slip them under furniture with little clearance. Plus, there are three anti-slip pads on each caster. Your furniture will be secure and protected from scratches. Now for the durability. Each roller can support up to 130 pounds. They spin 360 degrees, making it easy to maneuver even in tight spaces. You'll be able to move your furniture in any direction without much effort. It comes with a special lever with an ergonomic handle. It allows you to easily lift heavy objects to put the rollers under them. Additional pads will help to increase the height, if necessary. Ronlap Furniture Dolly is a real helper for everyone who likes to move furniture or is planning a renovation.