Splined contact surface for the removal of Shimano freewheels from rear hub.
Shimano Multiple Freewheel Remover Tool
Shimano MF-TZ500 7-Speed Multiple Freewheel
Shimano MF-TZ500 6-speed 14-28T Multiple Freewheel
Park Tool Freewheel Remover/Bottom Bracket Tool - one size
Park Tool FR-6 Freewheel Remover
Topeak Freewheel Remover - one size
