Fitactic Rock Climbing Solid Training Cannonball Bomb Power Pull up Ball Hold Grips for Straps for Finger, Forearm, Biceps, Back Muscles

▼ 3.5 Inches, 2 Grooved Black Balls. ▼ Sanding may be required depending on desired roughness on ball surface. Includes: 3.5" Diameter Groove Power Ball + Nylon Webbing. Color Red may vary from the images. Come with REAL stainless steel hanger hook + FREE reinforced nylon webbing. Install anywhere! ▼ Fun, safe, durable, open-hand design. Muscles tendons lay ergonomically & train efficiently. Excellent to add into your workout routine. ★For safety, please use under height limit 7 feet. (cushion pad underneath recommended) ▼ Spherical shape increases forearm and grip strength, boosting endurance. A must have for rock climbers and extreme sports such as Ninja Warrior, SASUKE players, Spartan Race. Seamless flawless ball surface. ▼ Switch from pull-up, to chin-up, to biceps-pull without regrouping. Webbing strap is not installed in box, please follow the image to hang it on. ▼ 3.5" Groove power ball, ideal for normal / bigger / men hands, or finger & palm training. Product Descr