✪Screw: 1/4"-20& 3/8"-16
✪Groove length: 104mm
✪The strap installing hole for fastening the strap or wrist strap. So that can increase the comfortability and security of the lens or the camera when carrying.
✪Integrate two safety stop mounting holes on the back of the plate. (SUNWAYFOTO provides safety stop screws).
✪Including a UNC 3/8”-16 and a UNC1/4”-20 screws, for supporting camera equipment stably.