Features: Featuring a double shaft design and worm gear mechanism, this gear motor deliver control to 850RPM with operational, suitable for robotics and automation projects requiring stable positioning. The full metal withstands continuous across input, while output shafts withscrew holes enable secure multi component integration in assemblies. Ideal for developing classroom robots, enthusiasts building automated home systems, and prototyping industrial equipment requiring safe position retention. Power movements in printer extruders, automated window locks, robotic arm joints, and smart pet feeders where consistency are critical. Engineered with hardened steel worm gear, this reduction motor maintains 630RPM speed at current for energy efficient operational in prolonged automation cycles. Specifications: Component:Metal Size:Approx.28mm/1.1inch Package Includes: 1Pc double Shaft Gear Motor note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.