Power Tower Leg Raise MachineComplete Bodyweight Training Station with Vertical Knee Raise, Pull Up Bar & Dip Handles It's time to step up your upper body and core workouts. This Vertical Knee Raise Power Tower lets you do pull ups, dips, knee raises, and more, all in one compact machine. Its a great option if you want serious workouts without taking up a lot of space. Strong, sturdy, and built for everyday training, this tower helps you build strength using your own bodyweight.