These 3-inch "cannonballs" or "climbing bombs" are an incredible tool for training extreme grip strength. Work alternate-grip and rotating-grip pull-ups. The naturally ergonomic design allows for open-handed training; grip over the top or pinch around the sides for increasing thumb strength.
These types of grips are often seen on American Ninja Warrior and other extreme obstacle courses. Compatible with Slackers brand Ninja Line.
Weatherproof textured sealant makes them great for use outdoors too!
Cross fit training
Gymnastics strength training
Rock climbing grip strength
Obstacle race or American Ninja Warrior training
Cable Weight Machines
Slackers brand Ninja Line
Grips: The grips are made of solid hardwood, textured, hand painted and coated with textured enamel and a protective weather resistant enamel.
Eyelets: Made or zinc plated solid steel, rated to 250 lbs working strength and tested to over 1,000 lbs!
Straps NOT INCLUDED
100% MADE IN THE USA. More specifically, the great state of Maine.