The EVOST III series Rear Delt-Pec Fly is equipped with adjustable, rotating arms, which should adapt to the arm length of different exercisers and offer the right training posture. The independent adjustment crank on both sidesNot only offer different starting positions, but also provide more variety in training. The long and narrow back padding provides support for the back during the Pec Fly and for the chest muscles during the training of the delta muscles.