For use with External Torx head type bolts.
| SOCKET E-SIZE | INCH | METRIC |
| E- 4 | .15" | 3.8MM |
| E- 5 | .18" | 4.7MM |
| E- 6 | .22" | 5.6MM |
| E- 7 | .24" | 6.1MM |
| E- 8 | .29" | 7.4MM |
| E-10 | .36" | 9.3MM |
| E-12 | .43" | 11.1MM |
| E-14 | .50" | 12.8MM |
| E-16 | .57" | 14.7MM |
| E-18 | .65" | 16.6MM |
| E-20 | .72" | 18.4MM |
| E-24 | .87" | 22.1MM |