The plate has a slot to slide horizontally to put in the ideal position. The red clamps fix from 12.5mm (1/2") to 19mm (3/4")
It also has 1/4 - 3/8 female threads compatible with Anti-Twist adapters to rig various accessories such as Magic arms, Monitors, Video Recorders, Wireless, Measuring equipment, Hand unit for focus, Witness Cameras, Clamps, Leds Lights, Etc.
2x 273mm Plate
4x Red clamp M6 Female threads
4x Black clamp 6.5mm Hole
8x M6x45mm Stainless steel allen bolt