Hi. I would strongly suggest that all of these items are very overpriced (no offence intended)
After being at SSL from 1980-87 and knowing the price of these items since then, I think you are charging way too much and people can buy cheaper versions elsewhere and can always make their own versions of speaker shelves of course.
I have 2 spare versions of these DL crimper tools here now, apart from what I am using, and have been being doing SSL studio installs for about 30 years or so. I also sell the 96 way DL connectors to studios and distributors Worldwide plus cable and other parts so know what I am talking about.
Good luck with this but get real at the same time.
PS: Where are you based as we don't know? Somewhere in Europe I guess as your prices are in Euros?