The bearing gear puller is made of carbon steel, Professional High Quality Steel Material more solid and durable.***2 jaw bearing gear remover with adjustable clamping depth, fit for different size gears and bearings.***Give you positive pulling power to remove bearings groove pulleys on alternator and power steering pumps.***Fit for automotive flywheel, motorcycle wheel, bicycle wheel , car wheel, machine wheel etc***Adjust screw design, flexible and convenient to repair different size gears and bearing.***Adjust screw design, flexible and convenient to repair different size gears and bearings. - PROFESSIONAL: Give you positive pulling power to remove bearings groove pulleys on alternator and power steering pumps. - WIDELY USE?Fit for automotive flywheel, motorcycle wheel, bicycle wheel , car wheel, machine wheel etc