Steel Bit Driver Extender by Leatherman extends your reach as it is equipped with a spring bit holder for secure retention Bit Driver Extender works with proprietary flat bits and standard 1/4" bits by Leatherman Bit Driver Extender is compatible with any Leatherman multi-tool with a large bit driver Bit Driver Extender works with all these Leatherman tools: Charge®+ TTi, MUT®, MUT® EOD, Skeletool®, Skeletool® CX, Wave®+, Surge®, Removable Bit Driver, Signal®, Charge®+, Heritage Charge®+, Heritage Wave®+, Black & Silver Wave®+, Black & Silver Signal®, Black & Silver Skeletool®, Black & Silver Surge®, Topo Skeletool®, Charge®+ Forest Camo, Super Tool® 300M, Topo Signal®, SIGNAL® SURVIVAL KIT, WAVE®+ REPAIR KIT