https://www.balfesbikes.co.uk/tools-maintenance/tools/icetoolz-11t1-bottom-bracket-tool-retaining-kit__120948
Icetoolz 11T1 Bottom Bracket Tool Retaining Kit
The Icetoolz 11T1 bottom bracket tool retaining kit features a spring-based tension system for secure engagement with 16-notch bottom bracket cups.
bottom bracketicetoolzretainingkit