High speed drill bits, many not used. Including steel case, 4 tiny ones missing, that had broken. Mainly used the smaller set. This 115-piece set of Precision Twist Drill Cobalt combination drill bits is a must-have for any metalworking enthusiast. Made in the United States, these drills are of exceptional quality and designed to last. The set includes a variety of sizes and types of drills, all organized neatly in a Huot case. Whether you’re a professional or a DIYer, this set is sure to meet all your drilling needs. Precision Twist Drill is a trusted brand in the industry, known for its high-quality products and innovative designs. With this set, you’ll have the tools you need to complete your metalworking projects with ease.