Details:Hand Grips Pull Ups Ball Cannonball Grips Fitness Equipment For Crossfit Climbing Barbells Gymnastic Hand Exerciser Strengthener|Hand Grips(Yellow)Material: Polyester, Stainless Steel, NylonFeatures:1.HELPFUL:pull-up ball can be a handy handle for gym equipment, increases forearm muscles and grip strength, boosts endurance and explosiveness. It is not only for normal fitness, but also for extreme sports such as rock climbing enthusiasts, wrestling, ninja warriors, gymnastics, and parkour.2.LOW-IMPACT & ADVANCED FITNESS:It is great for men and women. Fun, open-hand design. Muscles tendons lay ergonomically & train efficiently. Excellent to add into your workout routine3.3 MINUTE SETUP & UNLIMITED EXERCISE:Just throw it over whatever you're using as support, slip the strap through the metal clamp and clamp it in place. You can do exercise like pull ups, push ups, dips, rows, muscle ups, aerial yoga, etc.