1/4" to 3/8" Convert Screw Adapter.
Thread Adapter with female 1/4" thread to female 3/8" thread.
Compatible to Button Heads, Type Button Heads.
Made of metal, solid and durable.
Allows user to mount a professional-style head with a 3/8"-16 threaded hole on tripods, monopods, ball heads, tripod heads, light stands, DSLR/SLR cameras and camcorders.