The Centrix Koi Professional Shear – a fusion of supreme Japanese forged steel and an ergonomic focus design that blends comfort and balance. Japanese Forged Steel: Hand-honed shears made from the highest quality 440-C Japanese forged steel for superior performance. Hamaguri Convex Edge: State-of-the-art, smooth and ultra sharp blade for precision cutting techniques including the slide cut. Control & Comfort: Tension knob allows for custom adjustment to accommodate all hair textures. Ergonomically curved finger rest and tang for freedom of movement and support. Quiet: Silencing the shear softens the feel of the cut and offers comfort and control.