5/8 Inch Diameter & 6 Inch Length - Shank is 5/8" Diameter and Rounded For Easy Fitting Into Any Drill or Rotary Hammer - Flute/Working Length Of This Bit is 3 Inches & The Total Length of the Bit is 6 Inches. Plastic Storage Case is Included For Easy Storage. | M35 Cobalt with Titanium Aluminum Nitrite Coating - Our Drill Bits Contain 5% Cobalt with a Professional Grade TiAIN Coating. This Unique Blend of Materials Provides Exceptional Oxidation Resistance as Dramatically Increases the Overall Hardness & Durability Of the Bit. | 135 Degree Split Point - Most Drill Bits Are either 118 Degrees or 135 Degrees, 135 Degrees Makes the Drill Bit Less Susceptible to Walking When Drilling Into Stiffer Material Like Hardened & Stainless Steel. You'll typically find 118 Degree Bits On Your Cheaper Lower Quality Drill Bits That Are Designed to Drill Into Softer Materials | US Based Company - We're Located in Central New Jersey and Our Company Was Named After Our Awesome Yellow Labrador Retrievers. We do Source Products From Around the Globe, But You Can Rest Assured If You Have Any Issues Or Questions You Will Be Dealing With Someone From the USA. | Yellow Paw Guarantee - Customer Satisfaction Is Our Highest Priority. We've Spent Countless Hours Testing & Sourcing Our Products to Ensure They're of the Highest Quality. If At Any Point You're Unsatisfied With Our Product Please Contact Us For a Free Replacement.