1. It is suitable for -R1 round head accessories.2.Adjust the screw on the top to install camera flashes of different sizes.3. With grid rubber mats to tightly fix camera flashes and their surfaceRound head accessories adapter S-R1 can make camera flashes e.g.: V860II, V850II, TT685 and TT600 series install -R1 round head accessories to achieve light effects. It can also be attached on camera flashes of other , e.g. for . for , for , etc.Colour:blackMaterial:composite materialPackage Contents:1 x Round Head Accessories AdapterOnly the above package content, other are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.