The ERR76 external retaining ring is crafted from high-quality carbon steel, ensuring strength and reliability in various applications. With a diameter of 7/16", this ring features lugs that flare out for easier installation, allowing for complete contact and tightness in grooves. Designed for axial installation on shafts, it operates effectively within a temperature range of -100 to 500 F, making it suitable for both automotive and industrial applications.