1. Internally stable structure ensures the magnet stays securely in place without falling out 2. Larger magnet size delivers stronger magnetic force 3. Premium materials provide a comfortable grip and premium feel 4. Compatible with 17mm ball head bases for excellent versatility 5. Size: - Outer ring diameter: about 5.9cm - Inner ring diameter: about 4.3cm - Height: about 7.1cm - Magnetic ring thickness: about 0.7cm - Thickness with nut: about 2cm 6. Note: this product is an accessory and cannot be used independently. It requires pairing with other bases for functionality
