Great project box, material is strong so I had no trouble cutting holes (plastic didn't break). This box has tabs on the inside for cards which makes cutting holes a little more difficult but makes the box stronger. Six black screws are attached to the cover. Looks very good. The outside is shiny so be sure to protect it by cutting holes. You can see two solar projects I used boxes for. This was the first time I used project blocks. So if I can do it, almost anyone can!