REPLACEMENT WHEELS FOR OFFICE CHAIR - 5 PCS THEY DO NOT SCRATCH THE SURFACE – the wheels are made of polyurethane, which makes it the floor is not exposed to scratches , and the carpet remains intact. This also excludes the use of cumbersome pads that are not easy to keep clean and look unsightly after some time. QUIET – OUR WHEELS are quiet, additionally they do not slip , so when moving we are able to fully control the direction and intensity of movement. Moving them is comfortable . UNIVERSAL - the set includes 5 wheels that will allow you to replace the entire five- star base for an office, gaming, swivel or desk chair . The set fits most armchairs available on the market with a pin diameter of 11mm. The "click" assembly is easy and quick, just press the pin . COLORS BLACK – give a new life to your armchair! SPECIFICATION - material: PU; wheel diameter: 5cm; set weight: 0.45 kg. SPECIFICATION color: black material: PU circle diameter: 5cm set weight: 0.45 kg INCLUDED 5 wheels Wheels designed for office, gaming, swivel or desk chairs they fit most domestic and foreign manufacturers. The floor is not exposed to scratches and the carpet remains intact. This also excludes the use of cumbersome pads that are not easy to clean and look unsightly after some time.