Heavy-Duty Construction: CNC machined #45 hardened carbon steel for superior strength and durability Compatibility Assurance: Designed for 1/10 scale Traxxas models including E-Revo, Summit, E-MAXX, and T-MAXX Innovative Design: Color anodized aluminum pin capture rings with rubber o-rings to prevent movement and eliminate CV pin setscrew Performance Upgrade: Replaces factory plastic axles for enhanced power transmission and reliability under high-performance conditions Material: Durable Aluminum Alloy;Lightweight,High Strength,Good Thermal Conductivity,Corrosion Resistance,Its Durability And Performance Advantages Can Reduce Long-term Maintenance Costs. upgraded heavy-duty steel splined CVD driveshaft axles, the perfect addition to your 1/10 scale E-Revo, Summit, E-MAXX, or T-MAXX for a performance-driven upgrade. Crafted from CNC machined #45 hardened carbon steel, these axles provide unparalleled strength and durability, ensuring they can handle the rigors of high-power applications. Our innovative design features Blue anodized aluminum pin capture rings with rubber o-rings, which not only prevent movement but also eliminate the need for CV pin setscrews. With a focus on compatibility, these axles are confirmed to fit the specified models and are not designed for the E-Revo 2.0. Experience the difference with our heavy-duty axles