The Sirui BP-125 Quick Release Plate provides stability while shooting with your camera. It is designed for use with BCH-20, BCH-10, VH-10, and VH-15 video heads as well as VH-90 quick-release platforms. The quick-release plate is used for mounting both video cameras and camcorders two 1/4-and 3/8-inch screw threads. The rubberized surface on the plate ensures the mounted device stays in place. Moreover, there are three markers on each side of the plate that let you set the camera or camcorder in the right position.