Knob, Arm Locking

This part is NO LONGER AVAILABLE. You cannot purchase this part. Can I still get this?

Click To Enlarge $35.00 / each $33.95 / each Catalog Number: 31000010

Arm locking knob. Volume Discounts: (How do I qualify?) Level 1 Level 2 Level 3 $33.25 $32.55 $31.50

Listed on the following equipment:
Nu-Step - TRS-3000
Nu-Step - TRS-4000 Version 1.2 Recumbent Stepper
Nu-Step - TRS-4000 Version 1.3
Nu-Step - TRS-4000 Version 1.4

* Images may not be identical to part.