Features:The Nema17 Stepper Motor features low inertia-, high accuracy, low noise.Precise electric control, permanent magnet- motor.24mm motor for Titan- Extruder / 40mm motor for X Z-axisWith high-torque motor that provides precise and reliable motion control for your projects.With its compact size and easy-to-use design, the Nema17 Stepper Motor is perfect for wide-range of applications. Specifications:Item: Nema17 Stepper MotorSize Types:24mm / 40mm24mm motor for Titan- Extruder40mm motor for X Z-axisQuantity:1PCCompatible with-:for SidewinderX1 X2 & Genius-/Pro Note:Due to the different monitor- and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank youPlease allow 1-2cm measuring deviation- due to manual measurement. Package includes:1PC Nema17 Stepper Motor