Profile: Rosebrook Tracers, Inc is a producer of hydraulic tracers. We offer one, two and three axis hydraulic tracers in manual, semi automatic & automatic versions. We also offer repair services & mimik hydraulic tracers. Our hydraulic tracer valves are a special kind of hydraulic control valve.Our single axis models controls a single axis & the stylus reacts to side pressure. They are available in either manual or solenoid retract.