Leatherman Bit Driver Extender for all Bit Compatible Tools Colour:Stainless Steel Lithium primary cells are the

Lithium primary cells are the international standard for powering tactical lighting products

but you could also use these for optics or other accessories

Group 6 - 2" X 6

this design is the best I have found

Leatherman Bit Driver Extender for all Bit Compatible Tools Colour:Stainless Steel Lithium primary cells are theExtend your reach with the Bit Driver Extension tool. Fits into the bit holder on any Leatherman knife or tool and accepts all Leatherman bits, as well as all standard 1 4" hex bits. Holds standard Leatherman bits and standard hex bits. Compatible with: Large Bit Driver and Removable Bit Driver Leatherman 25 Year Guarantee Tactical Distributors Pty Ltd (Trading as Tactical Gear) Australia are an authorised and approved Leatherman Dealer in Australia