370 Worm Gear Motor DC 12V 8MM D7 Axis Gearbox Reducer 6V 24V Self-locking Reverse Gearbox Length 25MM Low Speed Micro Motor -------- Stable Internal Structure

All Metal Gears:Increased Torque Corrosion Resistance Not Easy To Rust Fast Heat Dissipation D Shape - Output Shaft:Make The Transmission More Stable And The Connection is Fixed Pure Copper Coil:Good Electrical Conductivity Wear Resistance Durability High Temperature Resistance Stable Speed Powerful Motor:Can Rotate Forward And Reverse Speed Adjustable Extra Long Life:Up To 500 Hours