Softer polyurethane material than typical casters The caster shaft diameter is 0.4 x 0.9 inches (11 x 22 mm), and can be mounted on most standard sized chairs.
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Polyurethane has an extremely smooth surface and has excellent abrasion resistance to dirt and dust. This means that the casters will not pick up debris when rolling around the floor, keeping it clean.
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Flexible and provides light ground pressure to floor surfaces. This makes it difficult to scratch your floor and is quiet and leaves no traces. Glides smoothly Can be used on all types of flooring including wood, carpet, marble, tile.
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