CrossCore Rotational Bodyweight Training System Pin Engagement System includes easy-to-reach adjustment knob with colored markings showing locked and unlocked positions Lightweight, durable aluminum alloy commercial-grade pulley housing Pulley wheel includes high-quality sealed bearings for long-lasting, smooth rotation Rope Adjuster Device (RAD) lets you easily adjust handle placement and rope lengths Mountain climbing-grade rope is rated up to 1,200 lbs. (544 kg)