Doesn't the online info clearly identify it as a re-issue of a One-Time Tool? I thought it was there upfront.
I guess, when I buy anything, especially one of the Woodpecker One-Time Tools, I generally buy it for one main reason. Every One-Time Tool I've bought has done one thing very well and not much else. In the case of the Offset Base, I found it works well for establishing a more solid base when doing normal Domino work, but not really much else. It probably does a great job spacing dominos across a long piece because of the stops included. I don't use it for that very much, so haven't gotten real comfortable with it. I personally had it made for me so that I ended up with extensions which were marked the same for each side of zero because I would not likely ever need to go out to 54" so I now have two sets of extensions marked the same and start in the center of a board and go out on either side from there without moving the extensions to the other side. Even at that I don't use them much and really feel it's strong point for me is that it gives me a solid, sure base for plunging keeping the Domino in place without exerting a lot of pressure. I like the spacers. Mostly I don't care about centering the domino in wood thickness, but sometimes I do and this gives me a quick, accurate way to do it with the stability of the offset base. I may even buy the spacers for thicker wood because I did have a need for that awhile back. I also saw they have an adapter for use with the 700XL. Is that new? Never saw it before.
The MFT Square serves one purpose for me also. Although it might do a lot of other things, it's main function for me is to square up the fence on the MFT and it does that better than any other tool I have. Again, this is me. I don't know how others use these tools and I don't use them for production; merely my enjoyment of woodworking, so I'm not concerned about efficiency; just quality and functionality for the purpose for which I bought them.