The Kobalt XTR Impact Drill + ScrewDriver Bit Set is a versatile 40-piece set designed for drilling and screwdriving tasks. Made with titanium coated HSS material, these twist drill bits are durable and suitable for use with a drill. The set includes a variety of sizes and styles to cover a range of applications, making it a practical addition to any DIY enthusiast's toolkit. With a compact package quantity and a lightweight design, this set is easy to transport and store for convenient access during projects.