41mm Length 6.35mm Hex Shank 8mm Hexagonal Socket Nut Driver Bit Gray 5pcs - Bed Bath & Beyond - 23099830
5pcs 8mm Magnetic Nut Driver Set 1/4 Hex Socket Adapter Drill Bit length 42mm - Walmart.com
Amazon.com: 12pcs 5/16 Nut Driver Set, 8mm Hex Strong Magnetic Power 5/16 Drill Bit Nut Driver Set Socket Adapter 1/4 inch 42mm electrician tools : Tools & Home Improvement
Genius Tools 1/2" Dr. 8mm Hex Impact Bit Socket, 2.3" (60mm) Length (CR-Mo) - 446008