• ⭐Easy to Assemble: Installation is quick and easy, no additional tools required! Just pull out the old caster and insert our new caster. It's that easy.
• ⭐Widely used and With brakes: Wheels can be easily locked when you don't need to roll, each wheel can be locked individually. The rubber chair casters designed for universal standard stem size: 7/16"x7/8"(11x22mm), suitable for 99% office chairs brands ,and used for Aeron, Boss, Dxracer, Miller Steelcase, Herman, Humanscale Freedom, Lazyboy Serta, Hon, etc. IMPORTANT: Not for IKEA chairs.
• ⭐Smooth and Quiet: The casters are made of 3" elastic polyurethane, they have a good cushioning effect , enjoy smooth and quiet rolling ,and without any squeaks or creaks.Works with any floor, plank, carpet, tile and other interior home materials. rest assured to use.
• ⭐Reliable and Smooth: Our heavy-duty chair wheels are made from strong steel fabric & Precision ball bearings (Carbon steel) & 3" elastic polyurethane casters offers a greater surface contact. This make the office chair more stable and firm.
• ⭐Dimensions and Specifications: Wheel size: 3in, Single load capacity: 132 lbs, 5-pack total load capacity: 650 lbs. OUR STEM SIZE - 7/16" (11mm) X 7/8" (22mm), It is not compatible with I-K-E-A chairs, Because the I-K-E-A chair STEM measures 10mm X 22mm, unlike ours.

• Package Dimensions ‏ : ‎ 7.83 x 4.96 x 3.98 inches; 2.82 Pounds
• Date First Available ‏ : ‎ August 11, 2022
• Manufacturer ‏ : ‎ RockCaster
• Country of Origin ‏ : ‎ China