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
Malco 5/16" Hex Chuck Driver - Mid-Michigan Metal Sales
C-RHEX® Cleanable, Reversible Magnetic Hex Drivers (1/4″ and 5/16″) - Malco Products
Malco reversible hex bits! - YouTube
Malco MALCOMBO1 2 in. C-Rhex Cleanable, Reversible Magnetic Hex Driver, 4 Piece Set : Amazon.co.uk: DIY & Tools
Malco MSHC 1/4 and 5/16 C-RHEX Cleanable Reversible Magnetic Hex Driver (2" Length)