Description: The products with high hardness of Emery material produced, durability is very high, the use of thin shape, more practical. When using, please note the following: 1. On the new tools must be installed when the tool is to try whether the beating, beating, then can not directly work, to adjust to not jump to use. Otherwise the tool is quickly worn out, carving out things are not very smooth. How to adjust: Use the small wrench with the change chuck to gently tap the high speed…