Our Part# STS1539 OEM# 56-0124 or 56-0124
This part can be used on the following model(s):
Nautilus - S6ABC_Abdominal_Crunch
Nautilus - S6ABC_ABDOMINAL_CRUNCH
Nautilus - S6ABC-R_Abdominal_Crunch_RL
Nautilus - S6ABL02_Abdominal_C runch_Range_Limiter
Nautilus - S6LBL_Lower_Back_RL