The Matthews Studio Equipment 6" C Clamp w/Double Junior Receiver are offered in various sizes of 4", 6", 8", 10", and 12", available with or without 5/8" mounting pins or Junior Receivers. Each Matthews Studio Equipment 6" C Clamp w/Double Junior Receiver features a steel channel welded on both sides of the opening, ensuring enhanced and secure locking. Clamps designed for mounting Baby fixtures include two separate pins at different angles, allowing minimal clearance for the fixtures. Additionally, Junior Receivers are provided in two fixed versions: Horizontal and Vertical, along with a versatile Universal Mounting Junior Receiver, adaptable to eight different positions for increased flexibility.