5 Pcs Office Chair Caster 2" PU with Brake 7/16" x 7/8" Stem 110Lbs Black

The chair caster is used as a replacement wheel for most work chairs and desks. A commonly used size in our lives:Wheel Diameter: 50mm / 2 inch; Thread Rod Size: 11x22mm / 7/16 x 7/8 inch(Dia x L); Load Capacity: 50kg / 110 pounds; Overall Size: 90x92mm / 3.54x3.62 inch(LxH) This chair wheel is made of pu, which allows it to roll smoothly with no marking. It can work silently on various surfaces like tile, concrete, and wood. Comes with ball bearings, can rotate 360 degrees. The caster comes with a brake, you can keep your table or chair in place by locking down it A simple two-step assembly process without tools: Pull out the old caster, then push in the new one. Please make sure the size of the threaded stem is suitable for your chair.