AM8 Jig for AVZ's Y Tensioner

EDIT 22/03/2018
Uploaded a version called K (short) which is supposed to work with the current Y Rod Holders (K). They're 44mm wide. The previous ones were 48mm wide, and they have been removed because the bed levelling bolts crashed with Y Rod Holder bolts. So:
Y Rod Holder (48mm) --> Y Tensioner Jig (with issues mentioned above)
Y Rod Holder K (44mm) --> Y Tensioner Jig K (no issues at all)

This is a jig to center my Y tensioner between my Y rod holders. Works for original AM8 (I mean, e