Specification Brand : STEPPERONLINE BulletPoint1 : High torque ,Long life, Low noise BulletPoint2 : The gear ratio is 100:1 and the Max. backlash is 50 arc minutes. BulletPoint3 : It's an excellent choice for applications that require good accuracy but low cost. BulletPoint4 : As MG series gearbox built-in shaft coupling, so you can change the motor or gearbox easily. BulletPoint5 : Low noise high speed 3d printer stepper motor Color : Black CustomerPackageType : Standard Packaging ExternallyAssignedProductIdentifier1 : 791315155638 ExternallyAssignedProductIdentifier2 : 0791315155638 Horsepower : 2.4 horsepower IncludedComponents : Nema23 Stepper Motor ItemName : STEPPERONLINE Nema 17 Stepper Motor L=39mm Gear Ratio 100:1 50arcmin MG Series Planetary Gearbox ItemPackageDimensions_Height : 8 centimeters ItemPackageDimensions_Length : 15 centimeters ItemPackageDimensions_Width : 10 centimeters ItemPackageQuantity : 5 ItemTypeKeyword : 3d-printer-motors Manufacturer : OMC Corporation Limited Material : Aluminum ModelName : Nema23 Stepper Motor ModelNumber : 17HS15-1584S-MG100 NumberOfItems : 1 PartNumber : 17HS15-1584S-MG100 ProductDescription : Electrical Specification