General description Smooth operation and low noise characterize this 3D Printer Nema 42 Stepper Motor, designed for DIY engraving machines. It boasts a sustainable life of up to 10,000 hours of operation, with a working temperature of 60°C and a limit temperature of 80°C. Please note that due to different batches, the appearance, color, and printed words of the product may vary, but this does not affect its functionality. Technical specifications Model: 17HS4401 Size: 38mm Shaft diameter: 5mm Working temperature: 60°C Limit temperature: 80°C Expected lifespan: 10,000 hours Measurement error: +/- 1-3cm Package contents 1 * Stepper Motor 1 * XH2.54 Cable (1 Meter)