Office Chair Wheels Replacement 3'' Rubber Chair casters for Hardwood Floors and Carpet Set of 5 Heavy Duty Office Chair Ball casters for Chairs to Replace Office Chair mats - Universal fit

3" Office Chair Caster Wheels Heavy Duty Replacement Set of 5- Upgrade Your Office Experience Without Downgrading Your Floors  Sick of seeing the scratches and scuffs your office chair leaves on your favorite floor? Tired of the constant scraping noise when moving the task chair? Searching for a way to protect your hardwood floors from your chair? Simply replace your old low-quality plastic casters with TANKEN wheels and save money and effort in the long run! The Precision Ball Bearings built into the construction of the wheel and frame will ensure velvet-smooth and noiseless chair movement. Product Feature UNIVERSAL STEM SIZE - 7/16" (11mm) x 7/8" (22mm)- fits all office work chairs sold in the USA with 11mm stems - such as Herman Miller, Aeron, Hon, and more. RELIABLE CONSTRUCTION -Frame, stem, and wheel axle all made of high-grade steel. Heavy duty swivel wheels will last safely support up to 700 lbs. EASY INSTALLATION – Just pull off the old casters from the chair base, with no need for any tools - and push the stem of your new TANKEN chair wheels into the socket, until the stem is firmly anchored. GLIDE THROUGH WITHOUT ANY BREAKDOWNS – Made of superior grade steel. These smooth-rolling wheels won't smudge, scratch, or damage your floors. MAKE YOUR WORKDAY MUCH EASIER – Modern, Unique, and Stylish wheels to fit most standard office & computer chairs. Upgrade your office experience without downgrading your floor. Note - Before purchasing, please check the old wheel stem size to make sure our caster wheels fit your chair. (NOT FOR IKEA)