7ncmNema 11 Step Motor 7Ncm(9.91oz.in) STEPPERON STEPPERON Mini Stepper Motor Nema11 Bipolar 0.67A 8.5oz-in6Ncm DIY Robot CNC (No Single keyed shaft) Desned byTop hhlhts · Voltage: 12VDC · Speed: 500 RPM · Torque: 7 Ncm · Shaft: 10 mm x 30mm · Dimension: 9 cm x 3.5 cm x 3.5 cm · Weht: 400 grams.