Upgrade your toolkit with this premium 19-piece high-speed steel drill bit set, featuring a wide range of sizes from 1mm to 10mm for precise and versatile drilling. Engineered for strength and durability, these silver-finish bits deliver outstanding performance on metal, wood, plastic, and more. Perfect for DIY enthusiasts and professionals alike, the set comes organized in a robust storage case for easy access and protection. Experience long-lasting reliability and flawless results with every use. Size：Φ1/1.5/2/2.5/3/3.5/4/4.5/5/5.5/6/6.5/7/7.5/8/8.5 /9/9.5/10.