Safety key

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

Listed on the following equipment:
Matrix - T4 - T4-G1 - (MTM69)
Matrix - T5 - T5-G1 - (MTM65)
Matrix - T5x - T5x-06-G3-110 - (TM65D)

* Images may not be identical to part.