Namvo Office chair Caster, Set of 5 Polyurethane replacement Castors Wheels 11mm Size swivel wheels, Protect Your Carpet/Hardwood (No Noise)

UNIVERSAL SIZE: Features standard 7/16 inch (11mm) stem and easy-rolling 2" (50mm) twin caster rubber wheels. fits all office chair bases with 7/16" industry standard mounting holes. FLOOR PROTECTION: Get smooth, quiet rolling and full swivel action all while protecting your floors. Eliminate the need for big plastic floor mats over your beautiful floors. Our safe rubber casters are the office wheels of the future. EASILY INSTALL: Orders come with a set of FIVE office chair replacement wheels that can easily be installed without tools or hardware,Simply pull out your current casters down and push in our chair replacement wheels into the socket. 【Smooth & Silent】Office Chair Roller twin wheel design & lubricated with totally new grease -- make sure smoothly and quietly rolling and won't disturb anyone around you. 100% noise-free running smoothness. HEAVY DUTY & Durable: Twin Wheel castors, Designed that a set of 5 will hold a maximum of 330 lbs total weight chair and rider.