FEATURES Shifting your weight in a swing is important, but it s hard to know when and by how much. The Pressure Plate solves that by tipping only when you shift your pressure correctly. You know in real-time, every time. Add speed and consistency to your golf swing by learning how to shift your pressure effectively - without swaying Take the guesswork out of your pressure shift - the Pressure Plate will only tilt when you do Spikes on the bottom to facilitate a stable connection with the ground Can be used indoors or outdoors Dimensions: 24" x 13" x 1" Weight: 6 pounds WHAT'S INCLUDED (1) Pressure Plate.