The leveling foot can be raised by hand or wrench. Foot extends up to 50mm (1.97")below wheel for leveling purposes.
Nylon wheel: 50mm (approximately 2" diameter)
Top plate size: 73mm x 73mm with ball bearing swivel. (2.83" x 2.83")
Bolt hole pattern: 58mm x 58mm (2.28" x 2.28"