General description This drill and screwdriver set includes a variety of bits suitable for different materials, all stored in a compact carry case. It is designed for versatile DIY and home improvement tasks, providing essential tools for drilling and screwing. Technical specifications 8 metal drill bits: 1.5mm, 2.0mm, 2.5mm, 3.0mm, 3.5mm, 4.0mm, 5.0mm, 6.0mm 4 masonry drill bits: 5mm, 6mm, 7mm, 8mm 5 wood drill bits: 3.0mm, 4.0mm, 5.0mm, 6.0mm, 8.0mm 17 screwdriver bits for various screw types 1 countersink for creating clean screw holes 1 magnetic bit holder for easy bit changes Compatibility and accessories Compatible with standard drills and screwdrivers Suitable for use with various drill chuck sizes Installation Insert the desired drill or screwdriver bit into your compatible drill or screwdriver Secure the bit in the chuck or bit holder Usage Use the drill bits for drilling into metal, masonry, or wood surfaces Use screwdriver bits for driving screws into different materials