The WMIWR-72PF leveling casters come complete with a rotation handle to make leveling simple.  Features aresimilar to predecessors that are two and two and half inch with nylon wheel and plain bearing.

If youre looking for something slightly smaller in height and without such a heavy duty load capacity, other options to consider are thetwo and two and a half inch models: WMIWR-50PF and WMIWR-62PF.
Caster Wheels Application

You can use caster wheels from Wynparts in just about any instance.The medical industry uses them on the bottom of carts for test, medical,optical, and clean room equipment. Individuals and businesses can use them for furniture, control panels, switch boards, and frames of light weight computers. As long as you dont go over the load capacity, you can use caster wheels on anything

3" Leveler Caster
Nylon Wheel with plain bearing
3.74" x 3.74" overall top plate size
2.76" x 2.76" bolt hole spacing
3" x 1 3/8" wheel diameter
Max Height 5-9/32"
Min. Height 4-23/32"
Load capacity 1190 lbs
Applications used for test, medical, optical, clean room equipment, frame of light weight computers, control panels, switch boards, furniture, etc.