Germany steel with heating temperature control and punching system make better toughness, Flatness; All saw chain rivets hardened and quenched, resists wear and improves strength, reducing chain tension changes Features: Premium industrial hard chrome outer layer and hardened rivets help reduce wear and chain adjustments; Hardened rivets provide a stronger connection between chain links, adding strength and withstanding loads ♧ Chrome-Plated Cutters: Longer saw chain electroplates a layer of industrial hard chrome to all our saw chain cutters; Chrome delivers a harder surface and better wear resistance; The saw chain has chromed cutters for fast, smooth cutting and design for safety and durability