Shimano TL-FC21 Crankset Dustcap Pin Tool with Chainring Nut Tool. Shimano Crankset Dustcap Pin Tool with Chainring Nut Wrench.
3 claw end - Holds the slotted chainring fixing nut securely during the installation and removal of the chainring
2 claw end - For installation and removal of the one key release crank cap
133 mm over all length for better leverage
Can be also used as 9 mm and 10 mm wrench
Hardened steel for rigidity and durability