Yes, they are Hiper Vr's Thanks all you guys for your answers, I will work on the update. ?ÿ

We have had good results with a rotary hammer drill. Also if the nail is a little bit loose in the hole the best thing that I have used to tighten it ...

I have used a small piece of soapstone to make a temporary mark, I doesn't last really long but I do like the white color. It can be shaped easily to ...

Were you able to find a process that worked for you??ÿ?ÿ If not, I might be able to help.

You still have it? I might be interested. ?ÿ Thanks