Park Tool Sr - 1 Sprocket Remover - Chain Whip.
Chain Whip with wrench fits 1 "Lockringwerkzeug (FR-5 and BBT-5 / FR-11)
tool length: 35cm
This combination chain whip and Freewheel / lockring remover wrench is heat treated to prevent bending and flexing
features hardened pins to keep the chain in place and a comfortable handle
Hex opening fits Park Tool freewheel removers (FR-5 and BBT-5 / FR-11)
The SR-1 is Approximately 14 "long (35cm)