Holbein MX Series Painting Knives are a series of superbly nimble painting knives crafted for optimal precision and control. Made from a single piece of stainless steel to minimize breakage, Holbein MX Series Painting Knives offer predictable balance and a durable design for years of reliable use. - Holbein MX Series Painting Knife - Hard, No. 12Holbein Mix Paint Knives, HARD KNIFE NO12 -