Excellent for robotics and experimenter applications!
These motors are
new old stock: Two-phase, 12-Volt operation, w/ 1.8 Degree steps.
motors are made by Minebea Co. These are very similar to motors used
in (older) disk drives, automated turntables, automated instrumentation
etc. They have good torque and holding characteristics and would make
terrific prime movers for robotics and other similar automation
These motors normally sell for over $15 bucks each!