Purpose:

For electric:Device engineering， civil engineering， construction， mechanical combination repair， general household use.

Features:

use of nickel-iron alloy steel precision forging， super torque， durable
products by forging， cold， heat treatment， grinding， electroplating and other processes.
Especially suitable for twisted position is very narrow or very deep recessed bolt or nut.

Precautions:
Please select the appropriate specifications required based on the use of hand tools
This product is a non-insulation products， non-live operations.
Do not FDA tap other items.

Do not use an object struck the goods， in order to prevent splashing wounding.