Pros:
Cons:
Pros:
Cons:
If you need to move the rack frequently, then castors are the best option. However, make sure to choose castors that are rated for the weight of your rack and equipment. You should also take steps to prevent the rack from tipping over, such as anchoring it to the floor or wall.
If the rack is stationary and not moved frequently, then screw jack feet are the best option. They provide greater stability and allow you to level the rack on uneven surfaces.
Here are some additional factors to consider when choosing between castors and screw jack feet: