Features: High Strength Magnetic Base with 66mm diameter and m five m 10 external threads delivers excellent grip for securely mounting LED light rod, photography equipment, and outdoor gear on metal surfaces. Rubber coated magnet surfaces prevents scratches while standard threaded interfaces ensures compatibility with various vehicle light mounts and camera accessories. Ideal for off road enthusiasts, content creators, and outdoor workers requiring efficinet temporary mounting solution for equipment during adventures or professional tasks. Perfect for stabilizing roof mounted work lights on trucks, securing camp lamp in tough terrain, or positioning photography gear on metal structures during outdoor shoots. Weather resistant rubber casing maintains optimal magnetic performances through rain, dust, and exposure, featuring tool release installation for quick setup in dynamic environments. Specifications: Materials: Plastic + Metal Inner Diameter: 5mm(0.2inches)/6mm(0.23inches)/8mm(0.31inches)/10mm(0.39inches)(Optional) Diameter: 66mm/2.59inches Type:Flat Screw Hole/Raised Screw Hole/15mm Screw Type(Optional) Package Includes: 1Pc Magnetic Suction Base Suction Cup note: Please allow 1-2cm error due to manual measurement. Please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks!