About This Solid Construction: This tib bar is made of heavy duty steel that can provide a long service time. Load bearing is about 66 lbs Sturdy Buckle:The buckle of the belt is made of steel, not plastic 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. Overview Brand : BLUSLM Color : Black Material : Alloy Steel Item Weight : 0.75 Kilograms Style : Modern Maximum Weight Recommendation : 66 Pounds Product Dimensions : 4.53"L x 4.72"W x 7.09"H Manufacturer : BLUSLM