uxcell Quick-Change Nut Driver Bit Set, 1/4" Hex Shank 6mm 7mm 8mm 9mm 10mm Ma | eBay
Hex Key Allen Bit Set Quick Change Connect Impact Driver Power Drill 6mm Shank | eBay
VESTTIO Hex Allen Wrench Long Screwdriver Bit Set H6 6mm Metric Drill Bit 10PCS 1/4 Inch Hex Shank 3 Inch/75 mm Length S2 Steel with Magnetic for Power Screwdriver Drill Impact Driver
VEGA 6mm Hex Bits. Professional Grade ¼ Inch Hex Quick Release 2 Inch 6mm Hex Bits. 150H060A-4 (Pack of 4) - Amazon.com
Genius Tools 1/2" Dr. 6mm Hex Impact Bit Socket, 3" (76mm) Length (CR-Mo) - 447606
BRAZEN 6mm Hex Bit Socket/Allen Driver Three Pack (1/4" Drive, Short) - Amazon.com