Hirate Office Chair Caster, 3" Durable Computer Desk Chair Casters Replacement Set of 5 Heavy Duty Protection for All Floors, Universal Stem 7/16 inch¡

【Quiet &Smooth Roller】By adopting Roller Skates technology, Hirate high-tech elastic office chair casters rolling 360°barrier-free and quietly as a mouse, they will move together in the same direction when the chair is moving. 【Good Floor Protectors】These 3 inch casters feature a hard polyurethane rolling surface, silky smooth gliding over carpet, tile, vinyl or hardwood without scratching or marring, protecting your floors. No need the chair mat anymore! 【Stylish Engineered Casters】Our heavy duty durable polyurethane casters in sleek appearance will make your desk chair looks like the coolest chair in offices, well constructed by top quality superior grade steel, they are strong enough to support 650 lb MAX capacity as a set of 5. 【Universal Fit 99% Office Chairs】 With standard stem size 7/16"x7/8”(11mmx22mm), our caster casters are universal fit on standard chair wheel base of office chairs, gaming chairs, such as Herman Miller Steelcase, Aeron, Dxracer,etc. Also, fit salon, workstation and drafting stools and other swivel chairs with studded wheels.(Doesn’t fit for IKEA chairs) 【Perfect Replacement for Upgrade your Chair】The 3 inch casters(caster’s diameter) can add 1-2 inches of chair height, and it’ a worthwhile upgrade to your old chair , you don’t need to replace a whole expensive chair, just purchase this set of casters that breathed new life into your old chair. We offer every caster with 100% satisfaction guarantee, for any issue, contact us freely.