Malco MSHMLCM2 8 mm & 10 mm 4 in. Cleanable Hex Nut Driver : Amazon.co.uk: DIY & Tools
Malco 3/8" & 5/16" Reversible Nut Driver Bit Cartridge
DeWalt DWADEND-2 Reversible Nut Driver Set 2-Piece | Fruugo UK
The Malco C-RHEX - Cleanable, Reversible Hex Drivers | The C-RHEX is a must have for any busy trade pro - allowing you to flip between hex driver sizes in seconds! http://bit.ly/CRHEX
6 in 1 Screwdriver Nut Driver Flat Head & Phillips Reversible Ph1 PH2 CRV Bits | eBay
NTD: Reversible magnetic 5/16-1/4 nut driver : r/Tools