Add more possibilities to your AeroPilates reformer workout than ever before with the AeroPilates Pull-Up Bar. This attachment fits any AeroPilates reformer that has pulley risers. To use the Pull-Up Bar, simply loosen the locking knobs to remove the pulley risers, insert the Pull-Up Bar Attachment and re-tighten the locking knobs. Use one, two, three or four cords to make the pull-ups easier or more difficult. This is a great way to condition your upper body targeting back, shoulders, biceps, and triceps. Adds more upper body strength exercises to your usual reformer routine Fits three, four, and five cord AeroPilates reformers does not fit the 55-5556 or the 55-5557 Easily attaches and detaches Sturdy steel frame Padded grip