Cobalt Drill Bit Set- 115Pcs M35 High Speed Steel Twist Jobber Length for Hardened Metal, Stainless Steel, Cast Iron and Wood Plastic with Metal Indexed Storage Case, 1/16″ – 1/2″. 115-Piece Drill Bit Set: Includes 29 fractional sizes (1/16″ to 1/2″ in 1/64 increments), 26 letter sizes (A to Z), and 60 numbered sizes (#1 to #60), providing comprehensive coverage for all your drilling needs. HSS with 5% Cobalt: Crafted from durable High-Speed Steel (HSS) with 5% cobalt content, offering superior heat and abrasion resistance for long-lasting performance. 135° Split Point & Twist Design: The precise 135° split point prevents walking, while the twist design efficiently clears chips and particles for faster, cleaner drilling. Professional-Grade Versatility: Made from M35 cobalt HSS, ideal for cutting through hardened materials like stainless steel, cast iron, titanium, and more, while also suitable for softer materials. Organized Storage: Comes with a sturdy drill bit holder featuring a size index for easy organization and quick access to the right bit. The video showcases the product in use. The video guides you through product setup. The video compares multiple products. The video shows the product being unpacked. 135° Split Point Tip. Heavy Duty Storage Case. 16.38 x 7.32 x 4.92 inches; 8.36 Pounds. Product Dimensions: 7.32 inches x 16.38 inches x 4.92 inches. Weight: 8.36 lb. We reserve the right to cancel any order for any reason at any time. We are not responsible for undeliverable addresses. Your satisfaction is guaranteed! All of our items, unless otherwise stated, will only run on 120 volts. Please check to make sure your country complies with these specifications. We will work with you to resolve any problem you may have.