"design Universal floor casters for office chairs in a set of 5 Large 75 mm wheels for more comfort AMSTYLE brand embossed on every roll Black casters – stylish and suitable for any environment Color Complete set: Black Special features Very quiet due to the rubberized treads - noise is minimized Large roller diameter with a total of 75 mm, making it even smoother ABEC-7 ball bearings in the center of the wheel - lower friction resistance, more comfort Highly abrasion-resistant and non-lubricating coating of the rollers Smooth-gliding, unbraked swivel chair castors Extremely sturdy metal housing for a long service life Pin length: 22 mm Suitable for office chairs with 11mm PIN (diameter of the metal pin) Total load capacity of all five castors: 300 kg (60 kg per castor) Suitable for Carpet All hard floors such as: laminate, parquet, wooden floorboards, tiles Tread material Mixture of polypropylene and polyurethane Scope of delivery 5 universal casters Delivery without decoration"