1. Material: Beryllium bronze alloy / aluminum bronze alloy 

2. Non-sparking wrenches are strictly according to DIN standard. The company has got GS, FM and UKAS Certificates. 

3. These tools can avoid arising sparking when tools strick, rub with target and be widely used in oil and gas works, mine and many others. 

4. Our company in the European Union, Singapore, Japan and other countries have registered the brand"X-Spark", please choose our brand products.