Quimat Nema 17 Stepper Motor + Stepper Motor Driver，Bipolar 1.7A/24V 38mm Body 4-lead Stepper Motor &amp; 32 Segments 4A 40V 57/86 Stepper Motor Driver for 3D Printer/CNC<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Stepper Motor - NEMA 17 model， 3D printer motor with 40Ncm(56.6oz.in) high holding torque</li><li>Stepper Motor Driver - 9V-40V DC power supply， H-bridge bipolar constant phase flow driver， up to 32 segments of six kinds of sub-modes available</li><li>Stepper Motor Rated current - 1.7A &amp; resistance 1.5ohms</li><li>Stepper Motor Driver maximum output current - 4.0A (eight optional).</li><li>Technology Support - Professional Engineer Team is on standby to provide solutions for your questions.</li></ul></div><img src="http://ecx.images-amazon.com/images/I/511Y03Af6wL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51qF0CQh%2BvL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51vlfZ1zXzL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51RveRyhDQL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51keO0spefL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51wjD4s9B%2BL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51JnvfTiAmL.jpg" noproxy>