Stealtho Advanced Office Chair Wheels Set 5 Heavy Duty Casters - Silent Rolling Protection Hardwood Floors Carpets No Mat Needed - Soft Navy Polyurethane Standard Replacement 7/16" x7/8" Stem

U.S. UTILITY PATENT: caster system for moving furniture. STEALTHO INNOVATIVE WHEELS - 920% CROWDFUNDED ON KICKSTARTER: Brand new office chair caster wheels from STEALTHO with the totally reconsidered design. SMOOTH & QUIET BARRIER-FREE ROLLING: High-tech elastic polyurethane of our office chair wheels makes movements easy and noiseless. These chair casters for hardwood floors will glide smoothly. NEW STEM DESIGN & HEAVY DUTY ABEC9 BEARINGS: New geometry of our heavy duty casters prevents axial run-out bearings of our chair roller wheels. CARE CUSTOMER SERVICE: If you have any questions, please don't hesitate to contact our Customer Support by clicking on our seller name " STEALTHO" that you should find on the right side under the "Buy Now" button because we are 100% committed to your happiness as a customer., Weight: 3.0 pounds, Manufacturer: STEALTHO