6mm x 2 Pair Solid Brass Concealed Hinge CH17How to use these hinges:-

1. Drill snug hole to suit chosen hing
2. Remove small screws in each half of the hinge
3. Insert Hinges in drilled holes, no need for glue ridges on hinge walls, help to hold hinges in place
4. When hinges are in position, replace small screws in hinges and this will expand hinges a fraction

Now you have an elegant hinge to close your box.