| Screw cavity | Flat head, Phillips, Pozidriv, Torx |
| Flat tip size | 4, 4,5, 5,5, 6, 6,5, 8 |
| Hexagonal socket size | 3, 4, 5, 6, 8 |
| Bit size Pozidriv | PZ1, PZ2, PZ3, PZ4 |
| Bit size Torx | T10, T15, T20, T25, T30, T40 |
| Bit size Phillips | PH0, PH1, PH2, PH3, PH4 |
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