Sturdy Material: The screwdriver bit is made of chrome vanadium alloy steel, which is durable, impact resistant, wear resistant and has a long service life. All tools have high hardness. Portable: The manual reversible impact wrench set is easy to carry and use, all tools are stored in the case. The screwdriver set can be used to repair telephones, televisions, computers, clocks, air conditioners, cameras, printers, household appliances and other electronic devices. Purpose: You can use this necessary tool to loosen or tighten the fasteners. It is an indispensable tool in your toolbox, which can save your time and improve work efficiency. Good performance: Impact power helps loosen rusted or frozen bolts without causing damage. Easy and safe to use. Ideal for loosening or removing tight or rusty screws or bolts. Comfortable Grip: Impact wrench set, prevents slipping, comfortable to hold and use. Removable head, usable with bits and pegs. Screwdriver to loosen screws and fasteners resistant and quickly frozen. Features: 1. Heavy Material: The screwdriver bit is made of chrome vanadium alloy steel, which is durable, impact resistant, wear resistant and durable. All tools have high hardness. 2. Purpose: You can use this necessary tool to apply for loosening or tightening of fasteners. 3. Comfortable Grip: Non-slip grip, comfortable to hold and operate. 4. Good performance: Impact force helps loosen rusted or frozen screws without causing damage. 5. Portable: easy to carry and use, all tools are stored with the suitcase. Package List: Ph2 (80mm)*1 Ph2 (35mm)*2 PH3 (80mm)*1 10mm slotted (35mm)*1 10mm slotted (80mm)*1 8mm slotted (35mm)*1 8mm slotted (80mm)*1 4 Decapitation Extractor*1 3 Decapitation Extractor*1 Chroma Vanadium Steel Impact Tod*1