Merrithew Stability Chair Heavy Chair Spring - red (pair)

These heavy tension Stability Chair Springs are made exclusively for Merrithew^™ Stability Chairs. 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 through demanding studio use.

Sold as a pair.

Note: this item is for use with Merrithew^™/STOTT PILATES^® equipment only.

Details:

Spring performance

• 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 18 in with an initial tension of 14.75 lbs (load required to open the coils without extension)
• Spring rate of 3.888 lb/inch (load required to extend spring every inch after the initial tension is applied)

Specs:

Warranty - 2 years All springs