1 Piece Bike disc correction wrench. We'd like to settle any problem in a friendly manner. Three opening design(15mm/18mm/42mm) corresponds to most disc brake rotors and serves its purpose of keeping your rotors aligned.
Bicycle Tool Disc Brake Rotor Alignment Truing Tools MTB Flattening Correction
Bike Disc Wrench Rotor Alignment Truing Tool with Disc Brake Pads