| - | [* black] The screw bits in our iFixit bit kits have engraved prefixes. Here are a few of the more commonly seen bits and their prefixes: |
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| - | [* black] ***PH*** - Phillips |
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| - | [* black] ***Y*** - Tri-point |
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| - | [* black] ***J*** - Japanese Industrial Standard (JIS) |
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| - | [* black] ***T*** - Torx |
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| - | [* black] The numbers that follow the prefix indicate the bit's size. In the 54 bit kit, these are typically ordered from smallest to largest, left to right. |
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| + | [* black] The screw bits in our iFixit bit kits have engraved prefixes. These prefixes are typically followed by a number that indicates their size. For example: |
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| + | [* black] ***PH2*** - A large Phillips bit. |
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| + | [* black] ***PH0*** - A medium Phillips bit. |
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| + | [* black] ***PH000*** - A small Phillips bit. |
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