Never used, been sitting in my garage gym.

IMPROVE YOUR SQUAT FORM: Regular metal squat wedge 2PC , Dimension 11.8’’(L) x 3.9’’(W) x 5’’(H) block is the perfect piece of equipment for keeping your knees over toes and achieving optimal position for heel elevated squats routine. The 20-degree angle & of our metal slant board helps improve ankle and knee mobility and range of motion.