Question relating to Pannier Frames

[Cyber]

Would someone who has the genuine pannier frames be able to measure the front to back size please?

I’m looking at getting one of these toolboxes
https://www.ebay.co.uk/itm/124469569123

I don’t have the BMW frame so need the distance between fittings to determine if they it will fit my Bullshift frame.

Cheers

 

[Stepdoug]

Bought one to fit onto my givi pannier frames . Needed a bit of a farkel to fit . But it's on