1. Specification: total height =68MM, diameter =18mm 2. 1/4-20 turn 3/8-16 thread in inch standard. One end is for 1/4 to 20 tooth inch screws and the other end is for 3/8 to 16 tooth inch screws. 3. It can be done as conversion screws, can be screwed to the lamp holder, tripod. Can be connected to camera, flash, switch, flash, hot shoe bottom connection, etc. 4. This adapter is made metal by the high-quality metal material, durable with long service life. 5. Lightweight and portable, with very powerful function.
