About This Product:

  • EXTREME GRIP STRENGTH TRAINING – 3-inch solid hardwood balls for training rock-climbing grip strength, American Ninja Warrior training, Parkour, Crossfit, obstacle racing, Grappling and more.
  • WEATHERPROOF TEXTURED COMFORT GRIP – Light texture allows for no-slip grip but will not hurt your hands. Weather sealed for durability and outdoor use.
  • EASY TO USE by simply hanging from nylon webbing, quick draws, chain or rope.
  • COMPATIBLE with Slackers Ninja Line for American Ninja Warrior, rock climbing and Crossfit training
  • 100% Manufactured in the USA. Load tested to over 1,000 lbs! Please be sure to hang them from something that will adequately support your weight.

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