Pin, Adjustment, U shape

Listed on the following equipment:
StairMaster - Arcuate Bicep Curl (ABC)
StairMaster - Arcuate Chess Press (ACP)
StairMaster - Arcuate Incline Press (AIP)
StairMaster - Arcuate Lat Pull (ALT)
StairMaster - Arcuate Leg Press (ALP)
StairMaster - Arcuate Seated Row (ASR)
StairMaster - Arcuate Shoulder Press (ASP)
StairMaster - Arcuate Tricep Press (ATP)

* Images may not be identical to part.