METOLIUS WOOD ROCK RINGS Independently suspended to allow free rotation of your joints to reduce injury, the Metolius Wood Rock Rings are super light and compact. Single-point suspension allows rotation of finger, hand and arm joints for injury prevention Simple design can be hung just about anywhere Sold as a set of 2 Dimensions 6 x 4 x 1.5 inches Weight 1 lb. 3.2 oz.