Feature:1. Suitable for NEMA 17 42 series stepper motor approx. 42 x 42mm / 1.7 x 1.7in.2. Can play a good fixed role, make parts not easy to loose, more convenient operation.3. Made of high quality aluminum materials, which makes it more durable and you can use it for a long time.4. A direct replacement for the old and broken one, which is very convenient, no complicated steps.5. With easy installation, and there is no need to waste your times, very convenient.Specification:Item Type: Motor Mount PlateMaterial: AluminumSize: Approx. 42 x 60mm / 1.7 x 2.4inThickness: Approx. 2.5mm / 0.1inSuitable for NEMA 17 42 series stepper motor approx. 42 x 42mm / 1.7 x 1.7inSize: Approx.31mm / 1.2in21mm / 0.8in60mm / 2.4in12.25mm / 0.5in25mm / 1in42mm / 1.7in8mm / 0.3in1.8mm / 0.1in4mm / 0.2inPackage List:5 xMotor Mount Plate