1、Made of high-quality CRV, higher hardness, HRC52-54 hardness. 2、T-Handle,it closely connected with the connecting rod, not easy to fall off, which has 30% increase of torsion strength. 3、The handle is made of PP plastic, which makes it more comfortable to hold. 4、Products can twist stubborn screws faster and work more efficiently. 5、Scope of application: automotive machinery, electrical appliances, cleaning equipment, computer maintenance. Feature: Made of high-quality CRV, higher hardness, HRC52-54 hardness. T-Handle,it closely connected with the connecting rod, not easy to fall off, which has 30% increase of torsion strength. The handle is made of PP plastic, which makes it more comfortable to hold. Products can twist stubborn screws faster and work more efficiently. Scope of application: automotive machinery, electrical appliances, cleaning equipment, computer maintenance. Specification: Material: CRV + PP Weight: 792g / 27.9oz Hardness: HRC52-54 Type: H-3,H-4, H-5, H-6, H-8, H-10 Package list: 6 * Hex Wrench(Bag) Note: The actual product color may deviate from the photo due to light. There may be a slight deviation in the measurement of product.