This spring is used to adjust the height of the Lower Crutch Assembly. Easily replace them by sliding the tube that is attached to the foot all the way out, then use needle nose pliers to squeeze the push button springs together and insert them into the tube.
BEFORE YOU BUY - Check inside the tube to see if the original spring is still there (it probably is). Use a probe, such as a screwdriver or coat hanger to return it to its installed position
