Features: Reusable product with extraordinary durability. Easy to use product. Excellent for overcoming resistance. Excellent separation performance. No battery or power supply is needed. Description: Material: Injection Molding + Magnet Size: Diameter: 7.5cm, Height: 5cm Magnetic Force: 5300GS Packing List 1x Immobilizer Magnet Note: 1. Please allow 1-3cm error due to manual measurement . 2. The color of different monitors may be different, please understand.