Amazon.com: Crank Extraction Tool, Square and Octalink Type cranks : Everything Else
Amazon.com : BW 2 in 1 Bicycle Crank Puller – Crank Removal Tool for Both Square Taper and Splined Bottom Brackets Including Shimano Octalink, Sram Power Spline and ISIS Drive : Sports & Outdoors
Amazon.com : Bikehand Bike Crank Extractor Puller Remover for Square Taper Taper and Splined ISIS Drive, Octalink Crankset - Easy Bicycle Crank Arm Removal Tool : Sports & Outdoors