This IceToolz bottom bracket wrench is suitable for bottom bracket cups with a diameter of 41mm. This is the bracket BBR60.
The BBR60 bracket is often used with Shimano® Ultegra® 6800 (11-speed) and the Shimano® MT-800.
The IceToolz bottom bracket socket wrenches have a ½” recess to which a torque ratchet wrench can be connected so that the bottom bracket can be tightened with the correct torque.