Hex Key 7-32In.

Listed on the following equipment:
Cybex - Cybex Go - 770T
Cybex - E3 - 525T
Cybex - E3 - 625T
Cybex - E3 - 790T
Cybex - Hiker - 600H
Cybex - LED - 525T
Cybex - LED - 625T (SN F0201-F0831)
Cybex - LED - 625T (SN F0901-H0531)
Cybex - LED - 650T (After SN H0601)
Cybex - LED - 650T (SN E0201-F0922)
Cybex - LED - 790T
Proform - 790T

* Images may not be identical to part.