Manfrotto 175 Spring Clamp
The Manfrotto 175 Spring Clamp is a handy multi-purpose clamp that is handy to keep around in the studio.
It can be used to hold gobos, flats, or reflectors with complete security.
It has a clamping range of 0.2" to 1.6" (5-40mm), and includes
a 5/8" male stud, and 5/8" female socket.