Description 1.STRONG & DURABLE CONSTRUCTION: calf stretch wedge is made of high quality eco friendly ABS and metal material, the triangular structure is stable withstand up to 1000kg without shaking or deforming. This ankle stretcher is ergonomically designed very popular substitute to heavy . 2.15 ANGLES ADJUSTABLE & PORTABLE: This inclined board for calf stretching has 15 adjustable angles, adjust the gears according to different needs. The 15 angle adjustable calf stretch on helps to make your muscles more sensitive during exercise, helping you stretch properly and reducing the chance of injury. Specifications: Product name: multi-functional lacing board Size: 28*26*3.5 Gears: 15 gears Color: Green/Blue/Purple/ List:Foot Stepper Exercise Machine *1 Note: 1. Please note that the photo does not show actual size, please refer to Description for size details. 2. Please allow differences due to manual measurement, thanks. 3. Due to the difference between different monitors, the image may not reflect the actual color of the item.