คุณลักษณะ

• You can identify (-) (+) by touching it with your finger.
• A rotating cap that does not entangle cords.
• Convenient for work at heights.
• For screwing in narrow places.
• Attaches to the cord to prevent dropping and leaving.
• A starby type that fits in your hand and is suitable for working in narrow places.
• You can quickly turn it with your fingertips while pressing it.
• High-precision black pont finish.