The Hertel #1 to #5 High Speed Steel Combo Drill & Countersink Set offers versatility and precision for your drilling projects. This double-ended tool features body diameters ranging from 1/8 to 7/16 inch and consistent 1/8 inch drill point diameters across all pieces. Crafted from high-quality high speed steel, these combo tools efficiently drill and countersink in a single operation, saving you valuable time and ensuring consistent results. The plain edge design provides clean cuts while the durable construction stands up to regular use in both professional workshops and home settings. This comprehensive set includes sizes #1 through #5, giving you the range needed for various applications from woodworking to metalworking. Manufactured by MSC Industrial under the trusted Hertel brand, this set delivers the performance and reliability needed for precision work.