1.Functions: haircut, shaving, eyebrow chimming, hair on the temples repairing, groove hair cutting. 2.Features: made from durable steel, our blade is designed for long-lasting use, with no rust; each blade measures approximately 6.3cm long for a superior grip and precision grooming; outstanding longevity, retains sharpness and smoothness for many shaves, Individually wrapped by antirust paper. 4.Applications: fit standard metal scrapers, razor blades, and all purpose knives. 5.Tips: wipe the blade with hot water and soap before shaving and change the blade after once using for health and safety.