Double Ball Bearings This feature is highly durable bearing - The steel construction body is very hard to wear and stain resistant, single load capacity: 68kg, 4 pack can hold up to 272kg, very durable. Suitable for most home furniture.
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Double Locking Design Swivels lock when in lock position. Double brake casters are more stable than single locking casters
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Non-marking polyurethane rubber The wheels of this material spin smoother and quieter than other hard rubber. Test shows that it helps protect the floor and the caster itself.
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