Amazon.com: Neiko 10250A Magnetic Hex Nut Driver Master Kit, 12-Piece Set & 01148A Hex Allen Power Bit Set, 11-Piece Metric Sizes 1.5mm to 8mm | 3" Magnetic Hex Head Bits : Everything
Nut Driver: 5.5mm – Sheldon's Hobbies
Tough Durable Precision Hex Driver Screwdriver Set 1.5/2.0/2.5/3.0mm Drive Impact 1/4 Inch Universal Hex Bit Holder for RC Car Hobby Tool Kit Drill - Walmart.com