Review on PHUNAYA Floating Shelves Mounted Practical by Tessa Dolan

Need someone to hang things - work with wall material, studs, level, dimensions but it will help if the product comes with the correct and sufficient number of screws that are not present; Some screws are round thick head and dark, some screws are flat and dark and there are silver ones too and I didn't post them so I had to ask what kind of screws we should have come up with but there there are holes in the wall and the screws are not screwed in properly and the wooden shelf is not fixed properly; and on one of the shelves was a fragment - I know that whoever hung it said that there were not enough screws, and apparently there were no correct indications of which screws to put where and for what; The metal and wood themselves seem very strong and good - this is a rustic cut, so edge roughness and fragments are possible; I see 10 thick button head screws (black), 3 medium button head screws (black), 6 pan head screws (silver), 4 pan head screws (black) and 1 thick button head screw (silver) {which may be ahead of the curve} - the project calls for 8 screws per Shelf which equals 24 screws - the instructions should indicate what type of screw goes where and be appropriate