METRIC LONG HEX KEYS
| CODE | FASTENER SIZE | LONG END LENGTH | SHORT END LENGTH |
| 81304A | 1.5 MM | 77 MM | 13.5 MM |
| 81305A | 2 MM | 82 MM | 15.5 MM |
| 81306A | 2.5 MM | 88.5 MM | 17.5 MM |
| 81307A | 3 MM | 98.5 MM | 19 MM |
| 81308A | 4 MM | 104 MM | 24 MM |
| 81310A | 5 MM | 116 MM | 27 MM |
| 81312A | 6 MM | 138 MM | 31 MM |
| 81314A | 8 MM | 157.5 MM | 35 MM |
| 81316A | 10 MM | 167 MM | 39 MM |