Application: The disassembly/installation of the spring strut and the spherical hub bearing seat, the principle is to open and expand the gap of the wheel hub bearing seat; This product is safe and efficient, and the parallel pressure work surface prevents the tool from accidentally ejecting or slipping. Name: Hydraulic Removal Tool; Applicable models: Universal; Application: car swing arm suspension separator; Scope of application: 5-13MM; Output: Parallel Pressure Spread Range: 5.0-11.5mm; Driver: External Hexagon 17 MM.