Accurate adaptation, multi-model universal Widely compatible: designed for Philips HC3400, HC3410, HC3420, HC3422, HC3426, HC5410, HC5440, HC5447, HC5450, HC7452 and other hairdresser models, solid installation and high degree of compatibility. FUNCTIONAL ADAPTATION: As the core accessory of the barber, the comb can precisely adjust the length of the hair cut to meet the needs of different hairstyles. High quality material, durable and reliable Durable: made of high-strength plastic or metal, anti-wear, anti-aging, to ensure long-term use without deformation or damage. Safe design: smooth edges without burrs, to avoid scratching the scalp, use more peace of mind. Easy to operate, efficient hair cutting Quick installation: one plug and play, no need for complex operation, novice can easily get started. Precise positioning: the comb teeth are reasonably designed to fit the scalp, cut hair more evenly to avoid length discrepancies. Classic black colour, practical and versatile SIMPLE DESIGN: The black appearance is classic and generous, suitable for a variety of hairdressing scenarios, highlighting the professional quality. EASY TO CLEAN: Smooth surface, not easy to stain the broken hair, easy to clean and keep hygiene.