Features: 7 standard for your option: 3/8 female to 1/4 male , 1/4 female to 3/8 male, 1/4 female to 1/4 male, 3/8 female to 3/8 male, 3/8 male to 1/4 male,1/4 male to 1/4 male, 3/8 male to 3/8 male. Made of aluminum alloy, with high hardness, good heat resistance, wear resistance and corrosion resistance, light to carry, not easy to rust, not easy to damage. Better structure design, very convenient for one-handed use.It can be disassembled easily. Thread screw adapter color is Black, knurled finish provides excellent grip, non-slip, deep and without burrs, complete thread, easy to install and stable. Suitable for tripods, cameras tripod, tripod heads, ball heads, etc. Specifications: Material: aluminum alloy Type: 3/8 female to 1/4 male , 1/4 female to 3/8 male, 1/4 female to 1/4 male, 3/8 female to 3/8 male, 3/8 male to 1/4 male,1/4 male to 1/4 male, 3/8 male to 3/8 male (optional) Note: Please allow 1-3cm error due to manual measurement. pls 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. Package includes: 1x Screw Adapter