M3 lock washers 3.2x6x0.4 externally toothed made of stainless steel for universal use, including on your moped, moped and small motorcycle. 
Screw locks should only be used once, as they are for your safety.
Price per unit
| Material | Chrome steel (colloquially known as stainless steel) | 
| Thread size | M3 | 
| Nominal diameter (thread) | 3 mm | 
| Thickness | 0.4 mm | 
| Ø inside | 3.2 mm | 
| Ø outside | 6 mm | 
| Number of components | 1 pcs |