The INGCO HSS Twist Drill Bits Set 8 pcs is a reliable and versatile set designed for precise drilling in metal, wood, and plastic. Made from high-speed steel (HSS) with a rolling forged construction, these bits offer excellent durability, sharpness, and resistance to wear. The set includes 8 drill bits in sizes 2, 3, 3, 4, 4, 5, 6, and 8mm (lengths: 49mm to 117mm), providing a practical range for various applications. Engineered for accurate and smooth drilling, this 8-piece HSS twist drill bit set is an essential accessory for professionals and DIY users who need consistent performance and long service life.