Drill America 39/64 in. High Speed Steel Twist Black and Gold Reduced Shank Drill Bit with 1/2 in. Shank KFDRSD39/64 - The Home Depot
39pc Drill & Drive Set - Montana Brand Tools – Made in USA
Amazon.com: Sabre Tools 1 Inch x 39 Inch SDS Plus Rotary Hammer Drill Bit, Carbide Tipped Concrete Drill Bit for Masonry; Brick, Stone, and Concrete (1" x 37" x 39") : Tools
Qualtech DWDDL18X39/64 39/64" x 18" HSS Extra Long Drill Bit, Straight Shank - Walmart.com