Item Type: Single Output Shaft Product Material: Alloy Steel Diameter: Approx. 14mm / 0.55in Length: Approx. 102mm / 4in Scope of Application: For NMRV030 RV030 worm reducer, for Nema23 stepper motor 1APPLICABLE RANGE: This single output shaft is suitable for NMRV030 RV030 worm reducer, for Nema23 stepper motor, etc., with good compatibility 2ALLOY STEEL: The motor shaft is made of excellent alloy steel, with high hardness, pressure resistance and corrosion resistance, has a long service life. 3GOOD PERFORMANCE: The single output shaft has the advantages of stable transmission, low noise, stable performance and large bearing capacity. 4STANDARD SIZE: With fine workmanship, the motor output shaft has standard diameter, which ensures simple installation and good stability. 5GLOSSY FINISH: The worm reducer shaft has a glossy appearance, no burr and no notch, no injury to hands, ensuring safer operation.1 x MotorShaft 8 x Accessories