Star Knob - 4 Prong - 3/8" PLATFORM EXTENDER Sold as a pair with

Sold as a pair with handles and swivel clips

The Preacher Curl attachment allows the user to isolate the biceps for specified muscle building using an EZ bar or straight bar which cradles within the lower holster

3) an upgraded 210lb weight stack for the user that wants a little more power

DIMS (W X L): 6 in x 19 in

Star Knob - 4 Prong - 3/8" PLATFORM EXTENDER Sold as a pair withStar 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?