Wood rings with quick clips. 74" maximum length. Great for strength training on the stall bars or for low handstand training when hung on the high bar, rings, uneven bars, or parallel bars. Perfect for at-home strength training, as they can hang from your home chin-up bar as well. Can be used on a 1-3/4" diameter pipe. Perfect for a cross-fit program. The strap is easily adjusted from 47" to 73" for many uses by all ages and sizes.