Hexagonal plate supplied with 1/4” and 3/8” camera fixing screws. Fixing 1/4” and 3/8” tread. 030 hexagonal plate included. Equipped with 2 built-in spirit levels. Designed as a heavy duty addition to any existing tripod head. It comes supplied with both 1/4-20 and 3/8-16 threaded connection sockets and also includes two set screws (to attach directly to legs). The camera connection is either via 1/4-20 or with 3/8 stud provided.