Dimensions There are positive and negative tolerances,
size description: for example Φ2.2 (referring to the inner diameter of the circle is 2.2mm)
Sales Conditions:
30 days in order to get your money back or item exchange, buyer pays return shipping
Buyers Pay for Return Shipping Cost
Do not return the item before contacting us. Any return must include a return authorization number provided for us. After you report any problem wait for our answer.
Item must be returned within 3 days after RMA instructions has been provided.