Description: Quality Material: This Table Tennis Trainer is made from quality iron material, which is wear resistant and sturdy for long term use. Multifunctional: This Table Tennis Training Device is nice for practicing table tennis skills. It aims to exercise while also training hand eye coordination. Adjustable: The length of this Single Loop Ball Training Machine can be adjusted and extended, and the angle can also be adjusted. You can adjust it according to your situation and height. Easy to Install: This Serve Ball Stroking Tool comes with a base clamp that can be easily installed on tables not exceeding 6.5 cm in thickness, making it easy to install and use. Practical Accessory: This Table Tennis Loop Training Machine is a practical accessory for your family members or friends who love table tennis sports activities. Specification: Material: Iron Size Chart: Can Clamp Table Thickness Within 6.5cm/2.56inch Package Includes: 1Table Tennis Training Device Note: Please allow slightly errors 1-2cm differences due to manual measurement.