Leatherman Bit Driver Extender (Silver) Extend your reach with the 3.25" Bit Driver Extender. Holds standard Leatherman bits & standard hex bits. For use with any Leatherman tool or knife that features a large bit driver (Charge models, Surge, Wave, e 306x/e 307x, k 502x/k 503x, h 502/h 503, Crater & Expanse knives with bit drivers). Fits: Skeletool, Skeletool CX, Charge AL, Charge ALX, Charge TTi, Surge, Wave, Removable Bit Driver, c 33 Bx Black, e 55B/e 55 Bx, MUT EOD, Charge Ti, Charge XTi, k 502/k 503x, h 502/h 503, e 306x/e 307x, c 33B/c 33 Bx, c 55B/c 55 Bx, e 33B/e 33 Bx, MUT