Expand the possibilities of your Leatherman multi-tool with the Leatherman Bit Kit 21-Pieces with double ends (42 functions total). The bit kit fits directly on all Leathermans with large bit screwdrivers. Does your Leatherman not have a large bit screwdriver, but does have a large flat screwdriver? Then you can mount the bits in combination with the Leahterman Bit Driver Extender.