The phot r swivel light stand bracket and umbrella holder is a sturdy well thought out piece of grip equipment that allows you mount a light and umbrella on stands up to 58 diameter the tilt handle is a ratcheting type that allows you to reposition it as you tighten it down a very handy feature in restricted spaces two reversible 58 threaded studs are included one is a female 14 20 to female 38 that can be used as a stand adapter and the other is a male 14 20 to male 38 16