QA1's AM Aluminum Series rod ends are male rod ends that are designed specifically for performance applications where weight is a concern. With a Nylon/PTFE injection molded race, these rod ends are completely self-sealing and self-lubricating, keeping dirt and debris out. Over 10% lighter than traditional three-piece aluminum rod ends, the AM Series rod ends are the most wear-resistant aluminum design available. Ball 52100 Bearing Steel. Heat Treated. Hard Chrome Plated. Precision Ground. Race Nylon/PTFE. Self-Lubricating. Self-Sealing. Body Aircraft Aluminum Color Anodized Red as Standard Exclusive Features Metal to Metal Support for Heavy Shock Loads Increased Cross-Sectional Thickness for Greater Tensile Strength