One blade for simple, perfect and precise control. Made in Japan. Best Quality Simple and easy usage. Just insert in nose and turn Does not cause nicks or cuts Very compact for easy packing No batteries needed Length 8.2 cms. Width 0.8 cms (near blade) Thickness 0.3 cms Easily trim nasal hair and look well groomed and at your best. No battery or power required. It is a novel product in India market directly from Japan., so quality assured. Removes nose hair safely and without damaging sensitive nasal canal. Just insert into nasal canal and turn round slowly and nasal hair will be trimmed with help of sharp stainless steel blade. The device has a comb design and will leave a stubble of 1+mm so as to not hurt and damage the nasal canal while using. Based on usage, it can be reused a few times. Clean under running water immediately after use and keep it it in a dry environment. Kindly change once the blade looses its sharpness.