GLJTUO Swivel Stem Casters Wheels with Brakes, 100mm Heavy Duty Furniture Casters, Rubber Replacement Wheel, Silent, Office Chair Castor, M12*30mm, Load 280KG, for Trolleys, Cri,4 Pcs without Brake

Swivel wheel: The swivel caster is made of high elastic rubber material, which has high hardness and wear resistance, protects the floor and does not produce noise. The use of high-quality ball bearings, rivets to fix the bracket, 360 ° rotation, so that the chair rolling smoothly and quietly. Specifications: swivel caster diameter 4 Inch ; installation height 130mm; wheel width 32mm; mounting rod screw M12*30mm Heavy-duty bearings: Each group of 4 small swivel casters has a carrying capacity of 280 kg, which is very strong. There are 3 combinations of options, with brakes and without brakes. It is the best choice for old furniture to replace casters. Easy to install: simply remove the old casters from the office chair, then firmly insert the new replacement chair casters and make sure they are fixed on the chair. Wide range of applications: These universal wheels are very suitable for homes, schools, garages, shops, trolleys, tables and hospitals from DIY to industrial applications. They are perfect casters for small equipment and small space furniture, including footstools, coffee tables, plant stands, Bookshelves, shoe cabinets, toy boxes, shopping carts, workbenches.