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• 5Pcs Office Chair Caster Wheels,2 in Heavy Duty Double Casters, Twin Ball Bearing Replacement Computer Desk Chair Wheel [SAFE PROTECTION FOR All FLOORS]:These workplace chair caster wheels are encased with an extra-thick polyurethane layer and guaranteed not to scratch or go away marks on any surface even with out using a chair mat. 100% secure gliding across hardwood floor, parquet, laminate, linoleum, tile, short-pile carpet. (Not suggest utilizing on the rug with wool over 2cm)[UNIVERSAL FIT(NOT FOR)]:Our Twin Ball Bearing casters office chair swivel wheels are designed with common standard size rods 7/16 inch (11mm) x 7/8 inch (22mm) stem, heavy-duty design (a set of 5) can support up to seven-hundred lbs. Can rotate on practically any rolling chair, whether or not it is a luxurious executive leather-based chairs or office chairs, laptop chairs, game chairs.[SOFT & QUIET & SMOOTH ROLLING]: There dual extensive transparent Twin Ball Bearing casters precision bearings and a shock-absorbing polyurethane tire can make the casters roll easily and easily on any surface with out making any sharp sounds or noises.[VERY EASY TO INSTALL AND DURABLE]: Without any tools, pull out the previous workplace chair casters and push in the new wheels to put in successfully. At a similar time, our clear polyurethane casters are extra proof against acid, grease, water and likely chemical substances, so that the casters have an extended provider life.size:Wheel diameter 50mmWheel width 55mmInstallation height 59mmInsert rod diameter 11mmHeight of plunger 22mmMaterial:PU polyurethane + rubber + metalcolour:Black+transparentPackage Contents:5 * Office Chair Casters WheelsOnly the above package content, different products should not included.Note: Light mirrored image and diverse reveals can cause the color of the object in the photograph somewhat diversified from the genuine thing. The size allowed error is +/- 1-3cm.

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