WISD Office Chair Castor Wheels, Set of 5, 3 Inch, Stem Size 11mm*22mm, Universal Fit, Heavy Duty Replacement Chair Castors for Hardwood Tile Vinyl Floors Carpet, Black by Amazon.co.uk

• \uff3bMain Parameter\uff3d: Stem size : 7/16" (11mm) x 7/8" (22mm) (Diameter *Length) fit most office chairs (Not for IKEA chairs ). Each caster is 3 inch. Wheel diameter 75mm, wheel width 24mm. Support 175 KG / 386 LB max (as a set of 5). Entire support bracket and internal parts are made of superior quality steel, providing years effortless rolling and durability.

• \uff3bEasy Installation\uff3d: They can easily be installed without tools or hardware. Just simply pull off your old casters from your office chair, then firmly insert the new chair casters replacement and make sure they are secured to the chair.

• \uff3bSafe for All Floors\uff3d: No need chair mat! Soft polyurethane material on our office chair wheel casters are guaranteed not to scratch, dent or leave marks on your floors, best choice for wood,hardwood, laminate, vinyl, tile and carpet floors at any time.

• \uff3bSmooth and Quiet Rolling\uff3d: It won\u2019t make any squeaky sound, these stylish casters with premium double ball bearings make chair rolling smooth and quiet. With 360\xb0free rolling heads and stainless steel balls, you\u2019ll feel the movement of casters feel like a silk, and change the chair's direction effortlessly.

• \uff3bTrusted Brand, 100% Satisfaction\uff3d: Our company WISD is sincerely willing to provide the most satisfactory service for all customers. If you have any question or have further information want to know, please feel free to contact us, our professional services team will be supportive respond you within 12 hours.