1. The quick-release plate attaches to the camera's tripod mount, allowing you to quickly and easily attach and detach the camera to a compatible tripod head. 2. There are 2 specifications available, the bayonet size is 4.3cm/3.5cm 3. Material: ABS 4. Screw mount: 1/4 inch thread 5. Applicable to the following models: --For WeiFeng WT3730 3750 3770 3570 3550 3530 3540 3520 tripod (multiple versions need to be measured) --For YUNTENG 590 600 668 688 690 888 60AV --For Sony D680 D580 VCT-50AV VCT-60AV VCT-80AV --For Wenfan FP-800 --For Baibian SL-234 SL-203 --For CAMBOFOTO SAB233 SAB234 SAB223 SAB224 --For Xiletu VT-234 --For SL 3600 --For Velbon EX-638 CX-888 CX-460mini CX-460 CX-470 CX-570 CX-690 CX-444 DF-50 6. Only quick-release plate, other accessories in the picture are not included! Tips: We sincerely hope that you can leave your Comment and share your experience of using the product so that more friends can know about it