Philips Norelco G370 All-in-1 Grooming System. Philips SteelWave technology utilizes revolutionary, wave-shaped blades that channel and cut hair for a precise and even trim every time. Hair clipper comb and beard and moustache comb with 9 locking length settings to get the look you want. Ergonomic design makes it easy-to-use and comfortable to hold. The Philips Norelco All-in-One Grooming System is a full-size trimmer that gives you everything you need to define your unique style. Keep your hair, beard, and mustache looking just the way you like with the system's six distinctive grooming attachments: full-size trimmer; hair clipper comb; mini shaver; beard and mustache trimmer; nose, ear, and eyebrow trimmer; and precision and detailing trimmer.