TOOPRE Crank Puller for Square Taper and Splined Cranks, Puller and Top Cap Options, Hardened High-Carbon Steel
Options: crank puller, crank puller with top cap, or two top caps only. Choose the complete item you need.
The source specifies operation without the top cap for square taper systems and with the top cap for compatible splined systems. Check the crank thread and axle contact before use.

