Star Knob - 4 Prong - 3/8" PLATFORM EXTENDER A patented dual back pad

A patented dual back pad tilt for superior fit and comfort is also standard

Weight Stack Upgrade

Toning Ball™ Weight: 0

Also available in two additional sizes Extra-Tall (often used with a lower carriage height SPX® Reformer and for taller people) and Regular (standard studio size)

Star Knob - 4 Prong - 3/8" PLATFORM EXTENDER A patented dual back padStar Knob connectors are used in a variety of places on Merrithew STOTT PILATES equipment. This model is used under the Reformer carriage on Reformers with traditional rope systems for adjusting rope lengths. It is also used at the base of pulley bars, to attach accessory boards (models pre 1st May 2010) and on the Stability Chair to lock or unlock split pedals. NOTE: This product is for use with Merrithew brand equipment only STOTT PILATES trained?