Cutting edge induction-hardened for longer tool life. Fixed, forged-on axle rivet for durability under heavy use. Designed for easy cutting on of hard, soft and piano wire. Made from Chrome vanadium electric steel, oil hardened and tempered. Plastic dipped handle for comfort These high leverage diagonal cutters require little effort do to proper coordination of cutting edge angle, leverage ratio, and handle shape. There's no sacrifice, you have comfort and durability!.