Office Chair Caster Set Of 5, 2inch Smooth Rolling Safe

QUIET & SMOOTH ROLLING: office chair casters made of High-tech elastic polyurethane, with internal bearings are quick rolling and the surface is sleek,wouldn't get stuck by crumbs,hair or grit,you would enjoy smooth and silent moving on the chair.SAFE FOR ALL FLOORS: Our casters safely glide on all floors including hardwood, laminate, tile vinyl, stone, marble, concrete, carpet, rug and bamboo flooring, no scratch and mark on any surface, no mats needed anymore, and stop damaging your expensive floors with plastic desk chair casters.UNIVERSAL FIT REPLACEMENT CASTERS: Standard stem 7/16inch (11mm) x 7/8inch (22mm) fits office chairs with 11mm stems. Suitable for 98% office& computer chairs, gaming chairs, perfect for standard Herman Miller Aeron chair,big and tall executive office chair, Noble Chair Epic gamer chair,Z-line chair,basic mid-back office chair and more.(Not fit for IKEA chairs)LIFETIME DURABILITY: Our chair casters made of superior grade steel and can safely support up to 500lbs as a set of 5 castersEASY INSTALLATION: Just pull off the old casters from the chair base, with no need for any tools - and push the stem of our new office chair casters into the socket, until the stem is firmly anchored.Colour: blackMaterial: steel + PUSize: 5 x 5cmPackage Contents:5 x office Chair CasterOnly the above package content, other products are not included.Note: Light shooting 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.