Designed to be used with Ninjaline Pro and Ninjaline Intro Kits; each Sold Separately.
TRAIN LIKE A NINJA! With the all NEW fun and challenging Ninja Gym Rings Hanging Obstacle by Ninjaline. Kit comes with a set of 2 and
Excellent for building forearm and upper body strength
Their size works great for a variety of hand sizes.
Their ability to rotate makes them easier on your tendons and shoulders.