Roll-Down Spring - black (pair)
These Roll-Down 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 and includes 4 spring clips.
Merrithew™ 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” with an initial tension of 3.2 lbs (load required to open the coils without extension)
Spring rate of 0.495 lb/inch (load required to extend spring every inch after the initial tension is applied)
- Length 48.2 cm
- Coil Diameter 30 mm
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