PERFECT FOR TURNING TVS, STEREO SPEAKERS, HEAVY PLANTS, COMPUTER MONITORS, ETC. ; GREAT FOR HOME, OFFICE & KITCHEN ; FULL 360° ROTATION; HOLDS UP TO 300 LBS ; 2 DIFFERENT SIZES ; HEAVY-DUTY, HIGH IMPACT PLASTIC; STEEL BALL BEARING CONSTRUCTION ENSURES SMOOTH OPERATION ; SCRATCH-RESISTANT RUBBER FEET PROTECT SURFACES ; 16” DIA