Galvanox Multi-tool Bit Driver Extender - Compatible with Leatherman Skeletool/Surge/MUT/Wave Plus and Signal Bits set, Multitool Kit add-on accessory (420 Stainless Steel) - - Amazon.com
Leatherman Universal Tool Adapter | REI Co-op
Leatherman Wave/Charge/Rebar 1/4" Bit Driver (9BPFW6924) by Metropolicity
Leatherman Charge 1/4" Bit Adapter/extension : 3 Steps - Instructables