Merrithew Star Knob, 4-prong – 3/8"[Reformer, Stability Chair™] lower body Key Features All-In-One Multi-Gym System:

Key Features All-In-One Multi-Gym System: Combines multiple strength-training stations into one compact unit

2") from the seat-to-back pad compared to previous PowerBlock benches

Warranty - Within 30 days of receiving your order

Primarily used for adding resistance to stretching exercises

Merrithew Star Knob, 4-prong – 3/8"[Reformer, Stability Chair™] lower body Key Features All-In-One Multi-Gym System:Star Knob connectors are used in a variety of places on Merrithew STOTT PILATES equipment. This item 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 May 1, 2010) and on the Stability Chair to lock or unlock split pedals. Note, this product is for use with Merrithew brand equipment only. Details: To be used on