[Gold]

[Silver]

[Black]

Pay attention 
Do not use sulfuric acid, acid wash surface.
Dont use polishing machine, grinding  this product.
 storage method 
 Store in a dry place,dont pile up in damp, cold places, avoid rust or oxidation products
1 pack =10 pcs
Please note that picture may have some color difference
Item specifics:
Model number: XLYBS-4
Certification: CE
Origin: Mainland China