These casters have a 1" stem, or metal plug, that is inserted into the bottom of your 1" diameter round post. Tap it into place and you've just created a mobile shelving unit for your rustproof wire shelving.
- Polyurethane wheel will protect floors from damage and scuffing
- Casters swivel on ball bearing base for ease of steering
- Each wheel includes brakes
- 1200lbs weight capacity per set of 4
- 1.25"w wheel face