Description: These standard gearmotors are incredibly tough and feature full metal gears to help you drive wheels, gears, or almost anything else that needs to turn. They have a gear ratio of 3000:1 and operate up to 12 volts and deliver a stall torque of 2995 oz-in. and a max speed of 0.5 RPM. Each standard gearmotor sports a 6mm diameter D-shaft.
Based on 1 ratings:
I’m building a high resolution encoder system for telescopes. Needed a slow motor for some tests. It is nice and slow.