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1.VISIBLE SPRING DAMPING – THE "CANNON" UPGRADE: Unlike ordinary chair casters, each wheel houses a visible steel spring window that absorbs bumps and keeps the ride smooth over floor seams, thresholds and rug edges. The eye-catching green springs are not just for show – they work silently with every roll, reducing vibration that loosens chair parts over time.
WHISPER-QUIET SMOOTH ROLLING: Precision ball bearings and soft elastic PU tires glide quietly across hardwood, laminate, vinyl, tile and low-pile carpet – no squeaking, no scraping. Perfect for late-night work, shared offices and homes with sleeping kids. Say goodbye to noisy hard plastic casters for good.
SAFE FOR ALL FLOORS – DITCH THE CHAIR MAT: Non-marking polyurethane tread will not scratch, scuff or leave black marks on any surface. The twin-wheel design rolls smoothly over carpet fibers and resists getting stuck on rug edges – your floors stay protected with no mat needed.
HEAVY DUTY 600 LBS TOTAL CAPACITY: Built with a reinforced steel housing, twin-ball bearings and thick PU tires. Each caster holds up to 120 lbs – a full set of 5 supports 600 lbs, far more than standard wheels. Ideal for executive chairs, gaming chairs, tall stools, workbenches and users of all sizes.
30-SECOND TOOL-FREE INSTALL & UNIVERSAL FIT: Standard 7/16" (11mm) diameter x 7/8" (22mm) length stem fits 98% of office chairs – just pull out the old casters and push these in until they click, no tools required. Note: NOT compatible with IKEA chairs (they use a smaller stem). Please measure your old wheels before ordering.
