Power rack or cage has been designed so that the user can be positioned inside the 4 upright posts that are used to support the frame, barbells and attachments. Most power racks will allow you to do both bench press and squat training as you can adjust the height of the barbell position either by moving the bar catchers also known as J hooks to the desired height or they will have gun racks bolted to the uprights. They also make it easy to add a bench and we usually recommend you use a...