Features: 3 fine adjustment knobs allow adjustment up to +/- 5 degrees horizontally, non-slip durable rubber pad, and the lock ring designed knobs ensure the camera is perfectly level for stable shooting. Standard 3/8" top external stud and 3/8" bottom screw thread, which is for different types of tripods. Exquisite workmanship, made of aluminum alloy material, CNC precision machining, surface oxidation treatment, durable for a long lifespan. Large load capacity but lightweight in design, portable to carry, perfect for outdoor traveling photographers. Professional photo accessories commonly used for precise leveling in portrait video shooting. Specifications: Material: Aluminum Alloy Size: Approx. 67x46mm / 2.64x1.81 inches Adjustment Angle: +/- 5 degrees Max. Load: 15kg / 33lbs Screw: 3/8" male top stud and 3/8" female bottom socket Note: Please allow 1-2cm error due to manual measurement, make sure you don't mind before ordering. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please ensure you don't mind before ordering. Package Includes: 1 Piece Leveling Base