Universal Fit on 98% Chairs: Stem size: diameter:7/16" or 11mm, stem length: 7/8" or 22mm, Hirate casters fit 99% office chairs,except for IKEA chairs.
Safe for All Floor: 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 & Sturdy: These casters made of industrial-grade steel and soft premium polyurethane, precision ball bearings, the whole set can support up to 600lbs weight and has extreme resistance to abrasion .
Smooth Rides Like Butter Makes No Voice: Hirate office casters adopted rolling technology with precision ball bearings in the caster swivel and axel provide smooth, easy rolling in 360°freely while causing no squeaky sounds or noise of any kind.
Valuable Purchase: Saving your money on floor mat or replace the whole chair just purchase this set of 5 casters . Super easy installation, just take your old casters out and push your new ones in, and you are done!
