1. replacement for a key with broken Blade/Blank. 2. The key blade is made of copper and processed by vacuum heat.It becomes more resilient and easy to cut. 3. We produce it by high-precision milling machine and the size is very precise. 4. Fitment for: For C4 ; For 307 407 408; For Renualt. 5. This item isn't a remote,it is just a remote key blade replacement. Condition: Model: #58 Key Blank: Yes Colour:silver Material:copper Package Contents: 15 x KEY BLADE Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.