These are pedestals for artwork, etc...
They vary in size, all are black and some have wheels.
They start at $85 and go up to $125 for the largest sizes.
You can see these and a whole lot more at
Bill Puckett Store Fixtures
2450 5th Ave South
St Petersburg, FL 33712
Anytime between 9 and 5,
Monday - Friday
do NOT contact me with unsolicited services or offers