Barbers cite these blades as their most versatile blade used for full-face shaving (includes outlining, line-ups, etc.). They are designed to fit all Feather Artist Club Professional Shaving Razors. Each blade features triple grinding for optimal sharpness, quality and consistency, and a double coating of platinum alloy and resin for ease of use and blade longevity. A one-touch mechanism enables easy, sanitary insertion of new blades.