Rotozip bit used for cutting metal.
22-10320 - Leatherman Bit Kit for Leatherman Multitools
The Bit Kit expands your driver's capabilities with 21 double-ended bits; 42 tools in all. Use the Bit Kit with all tools and knives with bit drivers and Removable Bit Driver.
I have always had the best of service and response from MCM. Highly recommended!