Specification for Spacer sleeve; 12mm; Int.thread: M4; Ext.thread: M4; hexagonal
| Material | brass |
| Spacer length | 12mm |
| Plating material | nickel |
| Internal thread | M4 |
| External thread | M4 |
| Spanner size | 7mm |
| Type of spacer | spacer sleeve |
| Mechanical elements features | with internal and external thread |
| Sleeve shape | hexagonal |