What is the housing?
A quick learner from revere ma says:
date: 08-20-09
what is the housing is that the spring that holds the roller the reason I ask is that one of my rollers came off as the spring snapped
Paul from SWISCO.com responded:
date: 08-25-09
The nylon wheel is riveted to a "U" shaped steel housing that is crimped to a flexible steel spring. You cannot replace the wheel only, you must replace the complete wheel and spring.