What size space bars does this take?

Hello! I really love this (large) font and understated design of these keycaps, but the problem is that despite this picture I got off Reddit, I can't find them in a shine through version anywhere. Can anyone tell me where I can find what I'm looking for? I will be putting them on my Royal Kludge S98 (Lavender), if anyone is curious, and I hope I can find a color variation that would look nice on the S98. Thanks in advance!

Figure 1: This is the keyboard of someone (0range) who clearly knows how to ask proper questions. Over the past couple of weeks, I’ve been lurking around the channels of a couple of different entry level keyboard forums and I have to admit that the experience is quite bleak. I’m not saying this because of “toxicity” or people being given wrong information, rather I see so many people’s questions going unanswered… and to be honest they’re kind of to blame for it. While I recognize that not everyone coming freshly into the keyboard space enters it with the same level of inquisitiveness that I did when I first joined back in 2017, these questions going unanswered really feel way under-thought or over-thought compared to where I was. On one hand, you get questions like this: What is best gaming keyboard? And on the other hand, you get questions like this: Hi, there everyone! I am just now starting to look into mechanical keyboards as an avid gamer and I need some help in...