"This Park compact crank wrench and puller is perfect for the road or home tool kit. Crank puller has a built-in 8mm hex for removing crank bolts. Two rotating tips (11.3mm and 16.3mm) remove splined ShimanoŽ Octalink and ISIS DriveŽ crank arms, as well as square-holed crank arms. ""Floating"" hardened tip ensures smooth operation and lon...