Descirption: and high quality Features: 1 or 4"-20 Male to M4 M5 M6 M8 M10 male screws are avaliable. Aluminum alloy material, smooth surface, strong and beautiful, abrasion resistance and corrosion resistance, not easy to rust. CNC machining, finely trimmed without burrs, which can increase friction and make it easier for you to twist the screw. Wide applications, can be connected with projector bracket adapter photography accessories gimbal camera tripod etc. Smooth thread, makes it easy to install and remove. Specification: Material: Aluminum Alloy Type: A24 or A25 or A26 or A27 or A28(Optional) A24: 1 or 4 Male to M4 Male A25: 1 or 4 Male to M5 Male A26: 1 or 4 Male to M6 Male A27: 1 or 4 Male to M8 Male A28: 1 or 4 Male to M10 Male Qty: 2 Pcs or set Notes: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package Includes: 2 Pieces Convert Screws