【3 INCH LOCKABLE CASTERS】: The heavy duty casters set of 2 standard caster and 3 CASTERS feature SINGLE LOCKING design that it can brake the rotation of the caster only, but the stem is still moveable for direction.
【EASY TO INSTALL】: The stem diameter of office chair caster is 7/16"(11mm) and stem length is 7/8"(22mm), universal size so it is suitable for all universal office chair. Very easy to install, just pull out old office caster and push in new office chair Caster
【PROTECT YOUR FLOOR】: Made of soft & polyurethane material, these caster replacements are not to scratch or leave marks on any surface. Enjoy a carefree, safe glide across wood, hardwood, laminate, vinyl, tile and carpet floors all day long.
【HEAVY DUTY CASTER 】: Our chair casters are made from industrial-grade steel, precision ball bearings, and sturdy polyurethane chair casters, can support up to 600lb as set of 5.
【QUIET & SMOOTH ROLLER】: Hirate office chair casters made of High-tech elastic polyurethane, with internal bearings are quick rolling and the surface is sleek,wouldn't get stuck by crumbs,hair or grit,you would enjoy smooth and silent moving on the chair.
