Features For cassette removers Shimano HG and Mavic. Allows tightening and loosening of the retaining ring of the Shimano XTR M1547 hydraulic disc brake. Long, oval-shaped aluminum handle, very lightweight. Removable driver to prevent slipping of the notched ring of the cassette. Precisely laser-cut and heat-treated head. Designed for use with professional chain whip RL-27000.