[Product Specifications] VESA Standard: 75x75mm / 100x100mm. Ball head screw diameter: 1/4, 3/8, 5/8. Weight capacity: 3KG. [Angle Adjustment] Ball head rotation: 360°, Up and down: +45°~-90°. Please refer to your existing monitor arm for the adjustment range. [Compatibility] This product comes with 1/4, 3/8, and 5/8 diameter screws, expanding the range of equipment that can be attached. ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ◎Instant purchase OK!❣️ #YuruttoProducts ← You can see other products✨ Even if it's new and unused, it has been opened once for inspection of scratches and dirt, and for photography. Please be sure to check the condition in the photos! ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ WORLDLIFT Ball Head Adapter for Monitor Arm, Compatible with VESA Standards 75/100mm, 1/4 3/8 5/8 Screws, 3KG Weight Capacity, for Lights, Webcams, Microphones, Smartphones, Fixing, Expansion, Photography, and Lighting 14-3 ✨✨✨