UNIVERSAL CASTERS SIZE: Our 2-inch office chair wheels are made from premium rubber and high-grade steel for smooth, quiet rolling and exceptional durability. EXPERIENCE UNMATCHED DURABILITY: Our 2inch office chair wheels feature heavy-duty metal bearing rods and solid steel brackets, they feature a strong nylon frame and sturdy polyurethane casters for superior strength and resilience. These heavy-duty office chair wheels easily support 700 lbs, making them a great choice for heavier individuals Quiet, Effortless Rolling: Experience smooth, noise-free rolling with precision ball bearings on the caster swivels and axles. Glide easily and quietly with our high-quality cushioned rubber casters. Work or play quietly without disturbing anyone around you. PROTECT YOUR FLOORING: Our replacement office chair wheels are designed to protect hardwood, laminate, tile, and all other hard floors from any potential damage. Quick installation: Say goodbye to complicated setup! Our 2inch office chair wheels are super easy to install - no tools required. Easily remove the old casters from the chair and insert the casters securely to a secure fit.PLEASE NOTE: Our chair casters are not compatible with for chairs. Our stem measures 7/16inch x 7/8inch. Please verify the size of your wheel riser before ordering Colour:Black Material:steel+rubber Package Contents: 5 * casters Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.