Merrithew Star Knob, 4 Prong 1/2" (Reformer)

Used on Reformer accessory board receptacles to attach Jumpboards, Cardio-Tramp^® Rebounders, Rotational Diskboards^™ and more! See model detail information below. Sold individually.

Note: this product is for use with Merrithew^™ brand equipment only.

Details: For use on Reformers manufactured after May 1, 2010. For earlier model Reformers, use the five-prong 3/8" Star Knob to attach Accessory Boards.