Individual multi-tools, for which Leatherman^® is famous for, require also original accessories. These includes also bit kits with extenders, which significantly extend the number of functions of each multi-tool. In some Bit Kits you can also find Leatherman^®Bit Driver Extender, but this can be of course purchased extra on its own. 

Multi-tools for which are individual bit kits suitable can be found in kits descriptions. You can also find there content of individual bits for each kit. In addition to Bit Kits Leatherman^® also offers another products such as multi-tools or sheaths and pouches.