Used on the following models:
Nautilus Commercial (Core Fitness)
NS 4000
Nautilus Residential
Back Extension - NS85
IC 100
NS 200-X
NS200
NS300
NS500
NS600
NS700
Schwinn
701
734S
735S Black
735S Gray
780si (96 Gray)
780si - Black
780si - Black
790SI
8300 Series II
PT700