Plain Block Overlays can be engraved with designs at the position marker frets or the entire length of the fret board.
These are designed to be glued to the surface of the fret board with the frets placed in between.
They are very slightly oversized to be fitted by the luthier.
How to remove and transfer inlays from the mounting board to where they will be inlaid.
The information you need can be found on this page of out web site;
Please use this to avoid breakage.
Most inlays come to you attached to a card board with a water based glue like Elmers School Glue to be easy to remove by soaking.
They are then shrink wrapped to be sure that if any should come to you loose in the package during shipping they will remain within the shrink wrap.