New AeroPilates by Stamina Pull Up Bar Black ,Standard One Size 55 0012 OSFA:Black easy) Anti slip silicone sole creates Lizard Skin Grip with the number 20 written on it. easy) Anti slip silicone sole creates stable in shoe contact and enhanced performance Contoured comfort memory foam aligns brace with ankle joint for precision fit Soft flex link hinge integration provides a natural flexion extension and fluid movement Fitted for the right foot adjustable fit Mesh panels for mobility and breathability Side seam pockets Adds more upper body strength exercises to your usual reformer routine Fits three four and five cord Aero Pilates reformers (does not fit the 55 5556 or the 55 5557) Easily attaches and detaches Sturdy steel frame Padded grip