Features Convenient Storage and Portability: Includes a handy storage box for easy organization and portability, ensuring the screwdriver bits are effortlessly installed and removed. Versatile 20-Piece Kit: Offers a wide range of bit specifications to meet diverse needs, providing a comprehensive solution for various projects. High-Speed Steel Construction: Crafted from high-speed steel for exceptional sturdiness and a prolonged service life, ensuring long-lasting reliability. Easy Replacement and Installation: Features a professional design with a rational structure, facilitating effortless bit replacement and installation for efficient use. Ergonomic Design for Comfort and Efficiency: Boasts a finely crafted main part with a convenient and effort-saving design, ensuring a comfortable and efficient user experience. Features: 1、There is a box which you can store and convenient to carry, the screwdriver bit is easy to install and remove 2、Including 20pcs kits, with a variety of bit specifications, can solve your various needs 3、Made of high-speed steel material, sturdy and , and long service life 4、The sets have professional design and reasonable structure, easy to replace and install 5、The fixed main part has delicate design, convenient to use and effort？saving Specification: Item Type: Screwdriver Set Material: High speed steel Product Configuration: 1 x Double-Ended Drill Bit 8 x Cross Bits (2pcs each for PH0, PH1, PH2, PH3) 8 x Slot Bits (2 x Approx. 3.2mm / 1/8in 2 x Approx. 4mm / 5/32in 2 x Approx. 4.8mm / 3/16in 2 x Approx. 6.m / 1/4in) 2 x Countersunk Drill Bits (1 x Approx. 2.4mm / 3/32in 1 x Approx. 3.2mm / 1/8in) 1 x Hex Wrench 1 x Yellow Special Blow ing Box Package List: 1 x Fixed Main Part 2 x Drill Bit 1 x Wrench 16 x Screwdriver Bits Package List 1 x Fixed Main Part 2 x Drill Bit 1 x Wrench 16 x Screwdriver Bits