About the product
DUAL Lockable Casters: This caster upgraded with double locking system of iron brake pedal, it can brake both the rotation direction of the bottom plate and the direction of the Caster forward,its safer and more durable.
Quiet & Smooth Roller: Hirate 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. Universal Fit Replacement Casters: Standard stem 7/16" (11mm) x 7/8" (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) Safe for All Floors: Our advanced office chair casters are safe for all kind of hardwood floor, parquet, laminate, tile, carpet,concrete and without any scratch or leave marks on surface. Toss your old floor mat now. Heavy Duty Caster : Our chair casters made of superior grade steel and can safely support up to 600 lbs as a set of 5 casters and comes with 100% satisfaction guarantee, for any issue with them, please just contact us freely.