1. [145-in-1 Precision Screwdriver]This screwdriver set includes 116 CRV bits, 12 CRV sleeves, and 4 S2 long bits, covering the most commonly used bits types in life, and one set meets all needs. 2. [Non-slip Ergonomic Handle & Flexible Shaft]3D engraving, the handle adopts three-dimensional anti-slip texture to increase friction. Compared with other hard handles, the grip is more comfortable and soft, and the palm will not panic when used for a long time. A flexible shaft is included, which is great for narrow spot, stereo work and other large electronics where the screws are not on the surface. 3. [Complete & Diverse Accessories]Suction cups, triangles, crowbars, tweezers, extension rods, storage boxes are all available, easy disassembly and assembly, easy storage, no need to worry about losing screws. 4. [Laser Engraving & Reasonable Layout]Different from ordinary ink engraving on the market, laser engraving is adopted, the printing is clear, not afraid of abrasion, and it is sturdy. At the same time we carefully studied the placement of 145 parts. After many layout designs, we screened out the most suitable part layout to use, further enhancing the aesthetics on the basis of practicality.