Features Durable Alloy Steel Construction: Made from high quality alloy steel, ensuring durability, practicality, and a long service life. Quick Bit Switching: Easily switch between drill and drive bits in seconds, eliminating the need to change bits in the middle of a job. Dual Size Bits & Versatile Functionality: Select two different size bits to drill guiding holes and drive in screws, nuts, or fasteners for enhanced convenience. Comprehensive Bit Set: Includes 8 cross bits, 8 slot bits, and 2 countersink bits, meeting your basic drilling and driving needs. Convenient Storage: Well packed and assorted in a plastic box for easy access and organized storage of the multi screwdriver bit set. Specification: Material: Alloy steel Cross Bits: (2 of each) PH0, PH1, PH2, PH3 Flathead Bits: (2 of each) 1/8"/3.2mm, 5/32"/4mm, 3/16"/4.8mm, 1/4"/6.3mm Countersink Bits: 3/32"/2.4mm, 1/8"/3.2mm Box Size: 19.4 x 7.4cm / 7.63 x 2.91" Weight: 462g(approx.) Package Includes: 1 x Drill Driver Bit Holder 8 x Cross Bits 8 x Flathead Bits 2 x Countersink Bits 1 x Hex Socket Wrench Note: 1. Please allow 1-3mm error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. Package List