Introducing the 13Pcs M35 Cobalt Drill Bit Set, a must-have for any DIY enthusiast or professional tradesperson. Crafted from high-speed steel with cobalt, these drill bits are designed to withstand the rigors of drilling into tough materials such as hardened metals, stainless steel, and cast iron. The spiral design ensures efficient chip removal, allowing for smoother drilling and longer bit life. This comprehensive set includes 13 different sizes, making it perfect for a wide range of applications, from woodworking to metalworking. Whether you're working on a home improvement project or a professional job, these drill bits will provide the precision and reliability you need. Feature: and long-lasting Type: Drill Bits Set Quantity:13Pcs Colour:As Shown Material:M35 Steel Package Contents: 1 * Rotary set Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.