Features Portable: easy to carry and use, all tools are stored with the case. Durable material: the screwdriver bit is made of chrome vanadium steel, which is durable, impact resistant, wear-resistant and durable. All tools have a high degree of hardness. Good performance: the impact force helps loosen rusty or iced screws without causing damage. Purpose: You can use this necessary tool to loosen or tighten fasteners. Comfortable handle: non-slip handle, comfortable to hold and use. Functions: 1. Portable: easy to carry and use, all tools are stored in the suitcase. 2. Durable material: the screwdriver bit is made of chrome vanadium steel, which is durable, impact resistant, wear-resistant and durable. All tools have high hardness. 3. Good performance: the impact force helps to loosen rusty or icy screws without causing damage. 4. Purpose: you can use this necessary tool to loosen or tighten fasteners. 5. Comfortable handle: non-slip handle, comfortable to hold and use. Specifications: Material: chrome vanadium steel Quantity: 12 pieces. Handle length: 16 cm. Interface Size: 12.5mm Package contents: PH2 (80 mm) x 1. PH2 (35 mm) x 2. PH3 (80 mm) x 1. 10 mm slot (35 mm) x 1. 10 mm slot (80 mm) x 1. 8 mm slot (35 mm) x 1. 8 mm slot (80 mm) x 1. Exfoliation extractor 4# x 1. Exfoliation extractor 3# x 1. Hammer bar made of chrome vanadium steel x 1. Package List