Satisfaction : We are confident you will love this hair trimming tool. If you are not satisfied, we offer a moneyback option. Many customers multiple units and share or recommend it to friends and family. If you have any questions, please contact us for customer service. materials and processing: These professional grooming shears are made from carbon stainless steel imported from Japan. The alloy includes trace metals such as cobalt, molybdenum, vanadium, and manganese. After 200degree temperature vacuum quenching and 195degree cold treatment, the steel's hardness and toughness are greatly improved, enhancing overall performance. Sharp and efficient performance: The blades provide precise, even cuts for all hair types. They cut smoothly without causing damage or split ends and are suitable for use on both wet and dry hair. An adjustment screw lets you finetune blade tension to match your preferred cutting feel. Ergonomic design and control: Manufactured with imported materials, these professional blades are suitable for salon workers, barbers, and use. The blades are designed to minimize split ends and fraying. The easygrip handles are shaped to fit your fingers comfortably, enabling effortless trims and confident results every time. Practical use scenarios: In a busy salon or barbershop for precise, consistent cuts on all hair types. At home for regular maintenance, touchups, and shaping on wet or dry hair. For professional stylists and students who require reliable, performance tools during client services.