0.9deg Nema 17 Stepper Motor Bipolar 2A 46Ncm/65oz.in 42x42x48mm 4-wires DIY CNC<img src="http://ecx.images-amazon.com/images/I/41KreCxSmoL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41B9M6awqhL.jpg" noproxy>