Enhanced Durability: M35 H. With 5% Cobalt, featuring aggressive 135° split points for longevity and speed in hard materials like stainless steel. Comprehensive Range: 115 pieces including sizes from 1/16” to 1/2”, #1-60, and A-Z, ensuring versatility for all drilling needs. Precision Engineering: Fully ground, straight shank bits for accurate, reliable drilling. Professional Grade: Ideal for heavy-duty drilling in industrial applications, offering superior performance and strength. Organized Storage: Comes in a sturdy metal box for convenient storage and easy access. High-Quality Material: Constructed from M35 high-speed steel with an additional 5% cobalt for enhanced durability and resistance to high temperatures, ensuring extended tool life. Extensive Range of Sizes: Comprehensive set includes 115 pieces, ranging from 1/16″ to 1/2″ by 64ths, No. 1 to 60, and letter sizes A to Z, covering diverse drilling requirements. Precision Drilling: Equipped with a 135° split point for accurate, spot-free drilling, reducing bit walking and allowing for cleaner, less coolant required than a 118° standard point, more efficient drilling operations. Universal Compatibility: Straight shank design complies with ANSI standards, ensuring compatibility with a wide range of drilling machines for both hobbyist and professional applications. Durable Storage Solution: Comes in a robust metal box that not only facilitates organization and portability but also offers protection to the bits against damage and corrosion.