One pair of 8mm Stepper electronic starters designed for 2phase 4wire stepping systems. Each unit features a 9tooth copper gear (0.2 modulus) and mounting footprint of 8mm by 8.2mm. The pair provides a compact, durable solution for precise motor control when used with compatible motor drivers and geardriven applications. Key benefits Precise motion control: 2phase 4wire stepping configuration supports accurate, repeatable positioning in small drive systems. Durable gearing: 9tooth copper gear with 0.2 modulus offers reliable transmission in compact assemblies. Compact footprint: 8mm by 8.2mm form factor fits tight spaces and smallscale projects. Ready in pair: Includes two electronic starters for convenient installation and synchronized operation. Straightforward integration: Designed to work with compatible stepping motors and motor drivers in standard configurations. Key attributes Type: 2phase 4wire stepping electronic starter Gear: 9 teeth, 0.2 modulus copper gear Size: 8mm x 8.2mm mounting area Quantity: 1 pair Material: Copper gear components Application: Stepper motor drive systems and motor driver compatibility Use cases and applications Small CNC or engraving setups: Use the pair to achieve precise axis movement in compact milling or laserengraving machines where space is limited. Robotics and automation: Apply to tiny gear reduction stages in robotic grippers or positioning subsystems requiring accurate stepper control. 3D printer or micropositioning stages: Integrate into axis drive assemblies to enhance accuracy in smallformat printers or linear positioning modules. This description reflects the product branding, specifications, model details, and features as provided, with a focus on clarity, readability, and practical use.