Anyone install E&G half console vault (21+ F-150)?

[mpd2434]

Can someone tell me the length of the longer self tappers they used to install the safe? I just received mine and also want to use longer self tappers but don't want to go too long and hit something underneath or go through the floor pan.

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[mpd2434]

For anyone that is going to install this safe, I used 1" self tappers instead of the 3/4'" ones that came with it. I also drilled three more holes and put six of them in and it feels pretty sturdy.