HOLKIE Office Chair Wheels 3 Inch Caster Replacement with Brake - Rubber Rollerblade Wheels-Set of 5 for Hardwood Floors

SAFE FOR ALL FLOORS: Covered with a high quality, extra thick, non-marking soft polyurethane layer office chair rollerblade wheels are avoiding to scratch or leave marks on any surface (including hardwood, carpet, tile, laminate and more). SMOOTH AND QUIET GLIDING: Precision ball bearings and a soft polyurethane wheel-shell make chair rolling and swivel silky smooth and quiet on any surface. Ideal for shared office spaces, professional gaming environments or even near your sleeping babies in the home office. EASY INSTALLATION: Plug-and-play, no tools required! Simply pull out your old chair castors and insert the new ones. So you can start experiencing smooth and quiet gliding! STURDY HEAVY DUTY STRUCTURE: Heavy duty caster wheels steel casing, the maximum load capacity of wheels-set of 5 is up to 295kg and has passed the highest level TUV test. STEM SIZE AND QUALITY ASSURANCE: Stem size with 7/16" (11mm) diameter x 7/8" (22mm) length, fits for most chairs EXCEPT FOR 1KEA. Please do not hesitate to contact us if you need any assistance.