ILCO DND-M1 Do Not Duplicate M1 Key Blanks – Brass, 50 Pack
| Brand | ILCO |
| Model | DND-M1 |
| Fits Brand | Master Lock |
| Pins | 4-pin |
| Material | Brass |
| Bow Style | Neuter bow with no manufacturer name or part number |
| Marking | Incised “DO NOT DUPLICATE” on one side; opposite side plain |
| Package Quantity | 50 |
| Head Type | Metal Head |
| Cross Reference | 1092 |
| ILCO | IAB00000140 |
| Keyway | M1 |
| Condition | New |
ILCO / Residential & Commercial Key Blanks
The ILCO DND-M1 offers an uncut brass blank for Master Lock 4-pin padlocks using the M1 keyway. It features a generic square neuter bow with no manufacturer name or part number.
The wording “DO NOT DUPLICATE” is incised on one side, and the opposite side is plain. Available in a pack of 50, this model cross-references to ILCO 1092 and provides professional locksmiths with blanks for key-cutting work on compatible Master Lock padlocks.