| Symbols most frequently used | Example | |
| • | Sets | |
| B | = in plastic wallet | 42/B6 |
| BV | = empty wallet | 42/BV6 |
| C | = in case | 900/C11 |
| D | = in hanging pack | 1293/D6 |
| S | = in box | 42/S17 |
| SP | = with display | 42/SP17 |
| SPV | = empty display | 42/SPV1 |
| Assortments | ||
| AS | = with tools in inches | 5915U/AS1 |
| E | = Electronics/Electrotechnics | 2029E/6 |
| I | = Plumbing | 2015I/1 |
| MT | = Earth-moving | 5902MT/1 |
| U | = Universal | 5915U3 |
| VG | = Automotive | 5904VG/5 |
| VI | = Industry | 5902VI/1 |
| M | = Motorcycle Repairs | 5940M1 |
| Sockets | ||
| A | = hexagon profile | 910A |
| B | = bi-hex profile | 910B |
| ES | = grooved profile | 920ES |
| FTX | = for TORX® screws | 910FTX |
| PT | = for 5-star head screws | 910PT |
| X | = reversible ratchet in cases | 920A/C12X |
| Screwdrivers and bits | ||
| LP | = for slotted head screws | 920LP |
| PE | = for hexagon screws | 920PE |
| PH | = for cross head PHILLIPS® screws | 920PH |
| PZ | = for cross head POZIDRIV® - SUPADRIV® screws | 1299PZ |
| RTX | = for TAMPER RESISTANT TORX® screws | 1298RTX |
| SP | = for SPANNER screws | 861SP |
| TRW | = for TRI-WING® screws | 861TRW |
| TQS | = for TORQ-SET® screws | 861TQS |
| TX | = for TORX® head screws | 920TX |
| XZN | = for XZN® screws | 920XZN |
| Miscellaneous | ||
| AS | = sizes in inches | 42AS |
| BA | = spark-proof tools | 42BA |
| BM | = bi-material handle | 1150BM |
| C | = empty metal container | C25 |
| L | = long series | 952L |
| MQ | = 1000V insulated tools | 1150MQ |
| MP | = bright finish | 42MP |
| R | = spare part | 338R |
| TM | = three-material handle | 1152TM |