Versatility: Whether you are professionals for salon use or amateurs for training, whether you are lefties or righties, this hairdresser scissors set is for you. Fixed Screw: The hairdressing scissors comes with a piece of screw or regulator to adjust the extension of shears, properly tightening can extend the lifespan of scissors. Rust-Proof: Made from High Carbon stainless steel, the haircut scissors will not fade or tarnish in dry cutting and even in wet cutting. Sharp Blades: Hairdresser shears are built with convex edge blade, this type of blade requires considerably less force and pressure when use, and excellent sharp blades provide smooth, quick and powerful cut and will not damage hair end. Ergonomic Design: The Black Hair cutting scissors Combine superior cutting with an Ergonomic crane handle design and permanent finger rest, which allows for greater cutting leverage with less hand pressure.