Suitable for tripods, cameras tripod, tripod heads, ball heads Thread screw adapter color is Black, knurled finish provides excellent grip,, and without burrs, complete thread, and stable 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 Better structure design, very for one-handed use.It can be disassembled easily aluminum alloy, with high hardness, good heat resistance, wear resistance and resistance, light to carry, not easy to rust, not easy to damage, Manufacturer: ZWWAAZHF