Shaft length: 15.5 mm; D-length: 12 mm. Shaft diameter: 6 mm; D-shaped shaft. Operating voltage: 6 V to 12 V. Construction: Electronic starter made from wear-resistant metal to help prevent gear tooth breakage and provide long service life. Benefits - Reliable start in 6–12 V DC systems, suitable for hobby and small equipment. - Durable construction reduces wear-related failures and extends service life. - D-shaped shaft ensures a secure, torque-resistive connection with compatible hubs or gears. - Compact dimensions support easy installation in tight spaces. Why you need it - Provides a robust, long-lasting start solution for 6–12 V applications. - Helps prevent gear tooth damage in demanding start-up conditions. - Clear, standardized dimensions support straightforward replacement and compatibility checks. Applications and use scenarios - Replacement part for 6–12 V DC motors in hobby robotics, small machinery, or model systems. - Upgrade or repair component for 6–12 V RC vehicles, boats, or other remote-controlled devices requiring a reliable electronic starter. - DIY projects or maintenance where a compact, wear-resistant starter with a 6 mm D-shaped shaft fits the coupling and shaft length requirements.