It is a simple board, with self adhesive stair tread on it. I believe I got the tread at either Home Depot or Lowes. Package of 4 (?).

https://www.youtube.com/watch?v=8R_Z...ature=youtu.be

it does not do even nails, so probably one of those acrylic nail files would be a good idea for getting the edges. For shortening nails, this works well.