Bits definitely make a more robust impression than the one-way screwdriver that come with iPhone displays or other spare parts. Nevertheless, I would just deal very cautiously with the Pentalobe bits. Carefully remove any previously with a toothpick or navel the screws from dirt and then it will come very well with the iFixit bits. For home use, I would set called "very good". In the professional sector but rather "satisfactory" Along a stable 2
