Vantec's Slot Protector Kit

Here are more of Vantec’s slot protectors. Other than being pretty under UV light, does it actually provide any use???

“Are you on the lookout for a great modding item that not only takes seconds to install but will also aid as a slot protector? If so then Vantec have the solution….”

Recovered from an Internet Archive snapshot of the InsaneTek front page.