UNIVERSAL 7/16" STEM FITS 98% OF CHAIRS: These 2-inch caster wheels feature a standard 7/16" x 7/8" (11mm x 22mm) grip ring stem that fits most office chairs including Herman Miller, Steelcase, and most brands. NOT compatible with IKEA chairs (IKEA uses M10 stem). 960 LBS HEAVY DUTY CAPACITY: Made from premium polyurethane with precision double ball bearings, each wheel supports 192 lbs. The set of 5 carries a total of 960 lbs — tested for long-term durability under heavy daily use. SLEEK BLACK DESIGN: Professional matte black finish complements any office decor. The non-marking wheels maintain their clean appearance over time, resisting scuffs and discoloration for a polished look that lasts. SILENT & FLOOR-SAFE: Soft PU tread glides silently on hardwood, laminate, vinyl, tile, and low-pile carpet without scratches or marks. 360-degree smooth rotation eliminates squeaking and wobbling for a quiet work environment. RCS CERTIFIED — MADE WITH RECYCLED MATERIALS: These caster wheels are certified under the Recycled Claim Standard (RCS), containing at least 50% recycled materials. By choosing LSWhee, you support sustainable manufacturing without compromising on quality or durability. Tool-free 5-minute install, set of 5 backed by satisfaction guarantee. LSWHee 2'' Office Chair Wheels, Heavy Duty Desk Chair Caster Wheels Replacement, Mute Rubber Rotating Chair Wheels for Hardwood, Floors, Carpet, Universal Fit 11x22 mm, Set of 5 (Black Transparent)