1、Excellent S2 Alloy Steel Material: This hex wrench is made of excellent S2 alloy steel material, with high hardness, strong toughness and not easy to be damaged. 2、Extra Long Design: This hex wrench is designed with extra long length and long torsion, which is very labor savings when you operate it. 3、Wide Application: This hex wrench is widely used for CNC machine repair and maintenance of narrow space adjustment and fastening, automotive repair and lamp adjustment, clothing tailoring machine repair and so on. 4、6mm Size: This hex wrench is 6mm in size, which can be used in many maintenance situations and is very practical. 5、Compact And Convenient: This hex wrench is compact and lightweight, which is very portable as it does not take up much space for storing and carrying.