1. Features: - It has durability. - It is a 5/8"-27 female thread to 3/8"-16 male thread adapter, which can convert microphone holders and accessories from 5/8" thread to 3/8". - It has a non - slip knurled surface, which is deep without burrs, and has threads, making it relatively easy to install and stable. - The knurled outer flange increases grip for relatively easy tightening and loosening. - It is made of aluminum alloy, which has anti - rust and anti - corrosion properties, and is strong and durable. - It has a 5/8 - 27" internal thread (internal thread) and a 3/8 - 16" external thread (external thread). 2. Specifications: - Material: Aluminum Alloy - Maximum Load: 6 - 10 kg - Application: Tripod - Size: Approximately 18x21 mm/0.71x0.83 inch - Screw Interface: 5/8" to 3/8" - Quantity: 2 Pieces - Color: Black/Silver (Optional) 3. Note: - Due to manual measurement, an error of 1 - 3mm may occur. Please ensure you don't mind before ordering. - Due to differences between different monitors, the picture may not accurately reflect the actual color of the item. Please ensure you don't mind before ordering. Thank you! 4. Package includes: 2 Pieces 3/8 Male to 5/8 Female Adapter Screws