Mini-head can rotate 360 degrees; Can clamp on most light stands tripods pipes or board to mount photographic equipments; The strong clip can be installed to flash holder base TTL cord and flash trigger with standard screw hole; Screw thread diameter: 6.1mm; Clamp width: 55mm; Product description: 1/4 screw head .You can use the clamp connect the digital camera when the base .Whatever you want to take photos. The camera screw can with the camera or other device at the bottom hole equipment using standard 1/4. The GoPro adapter suitable for the full range of GoPro and other outdoor sports camera. Color: black + silver Total weight: 229g