What is the tolerance threshold under the Ceuta & Melilla?

The general tolerance is 10% of the ex-works value of the finished product.

Ceuta & Melilla - HS 82

EU Autonomous Preferences for Ceuta and Melilla

1 rulesTolerance: 10%

8200-8299Tools, implements, cutlery, spoons and forks, of base metal; parts thereof of base metal

Manufacture from materials of any heading, except that of the good.

OR - alternative rule

MaxNOM

Manufacture in which the value of all the materials used does not exceed 70% of the ex-works price of the good.

70% ex-works