Light stand head combined with 1/4inch thread screwDesigned to directly insert into a light stand / rodInternal column diameter measures up to 16mm/4inch thread hole & locating pins availableFeatures quality-upgraded locking ratchet knobTough, resilient and light weightThe Light Stand Head features quality-upgraded locking ratchet knob, it is designed to be directly inserted into a light pole and fastened by lever thumbscrew knob, super easy to use. It comes with 1/4inch-20 thread screw on the other end through which you can mount additional accessory such as an magic arm, monitor, flashlight, etc.This combination piece is well made of high-quality aluminum alloy, it's very easy to set up and solid to use.Color: BlackMaterial: Aluminum AlloyPackage Contents:1 * Light Stand Head AdapterOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.