Malco MSHMLCM2 8 mm & 10 mm 4 in. Cleanable Hex Nut Driver : Amazon.co.uk: DIY & Tools
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