Sytopia office chair casters 11mm, casters for office chairs 11mm x 22mm, rubber office chair wheels 5-piece set for hard floors, parquet, laminate, floor mats, DOES NOT FIT 10mm pin (Silver)

["【Standard large diameter】- The Sytopia office chair casters have a standard diameter of 3 inches, providing greater stability and improved rolling performance. Their load capacity is over 650 lbs, making Sytopia the ideal choice for replacing old casters.","【Important note】- The metal pin of the casters has a diameter of 7/16 x 7/8 inches and is suitable for 99% of office chair casters. Please note that these casters are not suitable for IKEA chairs and 3/8 x 7/8 inch pins, as they may not be able to be mounted.","【No scratches】- The Sytopia casters are specially designed for hardwood floors, parquet, laminate, or tiles. Their soft rubber surface protects the floor and leaves no scratches or damage.","【Quiet and smooth gliding】- The design of the Sytopia office chair casters allows for quiet and smooth gliding, without disturbing the work environment. They enable relaxed and comfortable movement on your office chair.","【Easy installation】- Replacing the Sytopia casters is quick and easy. Simply pull out the old casters and insert the metal pin of the Sytopia casters to experience instant quiet and 360° swivel gliding of your office chair."]