This is a model specifically designed for slide cutting from the professional scissor brand "HIEN SCISSORS". As indicated by the "Slide Cutter" engraving on the blade, it is specially designed to cut hair smoothly while sliding without damaging it. These are very expensive, professional-grade scissors. They fit comfortably in the hand and are versatile for men's haircuts, texture adjustments, and design cuts. • Opening and closing: Smooth. • Sharpness: You can use them as they are, but if you have them sharpened yourself, they will perform even better.