amzdeal Office Chair Casters Wheels (Set of 5) 7/16″ Heavy-duty Rollerblade Caster Wheels Replacement, Safe for All Floors Including Hardwood, 11mm Stem Diameter, Universal Fit

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You will save 5% on each when you buy 5 sets or more, and can get a bigger discount from seller if you want to buy 10 sets or more. Any question? Welcome to ask us for help. LOL
?【UNIVERSAL FIT ON 99% CHAIRS】: Stem size: diameter:7/16″ or 11mm, stem length: 7/8″ or 22mm, Amzdeal casters fit 99% office chairs such as Herman Miller Steelcase, Aeron, Dxracer, Humanscale Freedom, NOT FOR IKEA CHAIRS.
?【SUPER SMOOTH AND SILENT ROLLING】: You even can’t hear any sound. With 360° free rolling heads and stainless steel balls, you’ll feel the movement of casters feel like a silk. This chair wheels run freely on carpet, hardwood floor, tile……Screws on wheels are removable, so you can clean them when they get stuck.
?【SAFE FOR HARDWOOD FLOOR】: No need the chair mat anymore! The office wheels do not scratch or leave marks on surface of any floor. Note: it would make the office chair more higher 2-3cm.
?【HEAVY-DUTY AND STURDY】: Made of stainless steel and polyurethane, with larger bearing balls and higher quality, amdeal caster wheels load up to 350lbs (150kg) weight and has extreme resistance to abrasion . Our manufacture improved the wheels that made the wheels to be more stronger than before.
?【TOP CUSTOMER SERVICE】: We welcome every buyer to contact us when they have any question or suggestion for our product. Our customer support team will reply you and give you a satisfied option within 12 hours.