General description The 20-Piece Set of High-Speed Steel Bit Batch Head Combination Wind Dual-Purpose Screwdriver is designed for versatility and efficiency. This set includes a variety of bits and tools that meet daily usage needs, making it ideal for home DIY projects and general construction or engineering tasks. Made from high-quality alloy steel, these bits offer practicality and a long service life. Technical specifications Set includes: 1 Drill Driver, 8 Bits, 8 Flathead Bits, 2 Countersink Bits, 1 Allen Wrench Material: High-quality alloy steel Measurement allowed error: +/- 1-3 cm Usage The rotating head allows for quick switching between drilling and driving, enabling you to complete tasks in half the time with your electric drill. Easily switch between bits in seconds for efficient operation. Other information Package Contents: 1 x bit combination set Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the