Norseman 26pc M42 HD Cobalt Letter Size Drill Bit Set, A-Z, D-26 USA #68380. MADE IN THE USA. This is a really GREAT SET!! 135 degree Split Point. Heavy Duty Gold Finish. Made in the USA. Heavy duty 135° split point with gold finish for use in drilling hard tough metals, free machining stainless steel, high temperature alloys, titanium and certain plastics. High red hardness of cobalt steel permits speeds 30% higher than regular high speed steel drills. Cobalt drills require rigidly held positive feed drilling equipment. Check out my other items. Be sure to add me to your favorites list. I check my emails often! All Power Tools and chargers come with a Standard 120V US Electrical Plug. Thanks, Nate’s Tools and More. Warning: This product can expose you to or may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.