Push-Thru Springs are made exclusively for Merrithew™ Cadillac/Trapeze Tables, Reformer Vertical Frames and Wall Units. Each is nickel-plated and heat-treated for protection of the spring’s base material to maintain 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.
Details:
Spring performance
- Merrithew springs are built to withstand vigorous use in professional and commercial environments
- To maintain performance and warranty, springs require replacement every two years
Spring resistance
- Overall length of the spring is 18 in (45.7 cm) with an initial tension of 6.688 lbs (load required to open the coils without extension)
- Spring rate of 1.157 lbs/in (load required to extend spring every inch after the initial tension is applied)
Specs:
| Push-Thru Spring / Stability Chair · Light Spring | 5.5–7.5 lbs (2.5–3.4 kg) |
1.157 lbs/in +/- 10% (.2 N/mm +/- 10%) |
18 in (45.7 cm) |
1.1 in (2.8 cm) |
Blue |
|---|
Warranty - 2 years all springs
