These Light Arm Springs are made exclusively for Merrithew™ Cadillac/Trapeze Tables, Reformer Vertical Frames and Wall Units. Each is nickel-plated and heat-treated to protect the base material of the spring. This ensures the quality and integrity of its tension throughout its life.
Sold as a pair, includes 4 spring clips.
Note, this item is for use with Merrithew™/STOTT PILATES® equipment only.
- Our springs are built to withstand vigorous use in professional or commercial environments
- To maintain performance and warranty, springs require replacement every two years
Spring resistance details
- Overall length of the spring is 19 in with an initial tension of 2.717 lbs (load required to open the coils without extension)
- Spring rate of .378 lbs/inch (load required to extend spring every inch after the initial tension is applied)
|Light Arm Spring||2.2–3.2 lbs
|.378 lbs/in +/- 10%
(.07 N/mm +/- 10%)
Warranty - 2 years all springs
So happy to have a 1/4 spring on my reformer. It can work your abs more intensely in certain exercises as you just cannot let go.