The ART Spiderjack 3 is a multifunctional, self-blocking rope control device for DbRT climbing. The climbing line is directly in front of the climber making it possible to pull and feed the line comfortably with one hand. Turning the control lever to the release position and pressing the thumb brake needs requires little force making speed regulation very easy. Very smooth at speed. The SpiderJack 3 has a secured locking position function for maximum of safety when working. The high-quality stainless steel reduces the danger of failure, even under high stress. The integrated swivel ensures the device is always in the optimum direction and the pulley under the body allows for easy tending. All parts are replaceable.