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I´ve fund these steppers for sale. I´m pretty new at this so what kind of torque can i expect out of these. What kind are they BI or UNI polar. They are SANYO STEP SYN rated at DC 3V 2A 1.8 DEG step 8 wires go into them. I can´t read the type nr. due to bad picture. I can get 4 for approx. 50 dollar. Would that be a fair price.

Bent