Tool is used for removal and installation of Shimano plastic bolts that are used on the Hollowtech II cranksets.UNIOR CRANK CAP TOOL METALSKU: 1609. 1/2₹1,030.00PriceQuantity*Add to CartFEATURES Strong magnet in the back of the wrench, enables the tool to be stored on a convenient place. Tool can be used by hand or with help of wrench size 13 mm.