RedMax EBZ8550RH vs EBZ8550 - The differences

There is pretty much no difference between the RedMax EBZ8550 and the RedMax EBZ8550RH The main difference is that the EBZ8550RH has a tube throttle, while the EBZ8550 has a hip throttle. Whether the hip-mount or the tube-mount is better is a matter of personal preference.