Features: 1.Great gym equipment to increase forearm muscles and grip strength,grip strength training and climbing training,boosts endurance and explosiveness. 2.It is perfectl not only for normal fitness, but also for extreme sports such as rock climbing enthusiasts, wrestling,gymnastics,etc. 3.Specially designed grip ball with Non-slip textured elastic TPE material provides maximum grip and stainless steel ring. All these hardware are heavy duty and sturdy, 4.Specially designed ball with solid plastic,The ball has many spherical grooves,it brings more fun to your exercise and improve your exercise performance. 5.Easy to install- Come with stainless steel hooks, reinforced nylon webbing.Can be installed anywhere. Notice: Actual color may be slightly different from the image due to different monitor and light effect Please allow 1-3cm deviation due to manual measurement Specification: Material:TPE,stainless steel,nylon Size:Diameter:8cm Total length of nylon webbing: 260mm Total length of stainless steel buckle: 80mrn includes: 2 x Webbing 2 x Balls 2 x Carabiner