Window glass fastener tool

Yeah that will work. The key is to turn with even pressure. If you dont it may loosen up or you could crack the glass.
Here is the type I have in various sizes.
https://www.mscdirect.com/product/details/31632524

Here are some more very affordable options
Adjustable Pin Spanner Wrench
https://www.amazon.com/dp/B001RMK2HQ/?tag=fabo03-20
https://www.menards.com/main/tools/...adjustable-pin-wrench/543/p-1444421226231.htm