Premium Quality Constructed of heavy duty steel makes the Tib Bar more sturdy and durable. Without worrying about fracture problems. Load bearing is 66lbs. Improve Knee Pain & Shin SplintsThis tibialis anterior muscle exercise machine can help train the shin muscles and strengthening the tibialis anterior to improve knee pain and shin splints. Strengthen Leg Muscles Our calf raise machine is used to strengthen the tibialis muscle . Also it can help exercise the tendons and ligaments surrounding the ankle while simultaneously stretching and increasing the ankles range of motion. Easy to use It is very easy to use. First add some weight plates on it according to your exercise needs. Then put your foot on it and tighten the strap to fix your foot. Professional customer service For our product, we will provide quality assurance. If you have any problems about our products, please feel free to contact us, we will give you a quickly and satisfactory answer.