1. Ideal for use on tripods, tripod heads, ball heads, monopods, light stands, DSLR/SLR cameras, camcorders and more.
2.Compatible to Lens Plate Button Heads, Arca Swiss Type Button Heads
3.The reducer bushing screw adapter allows you to convert any standard 3/8"-16 thread for the insertion of a standard 1/4"-20 screw.
4.Thread Adapter with female 1/4" thread to male 3/8" thread,Made of metal, solid and durable to use.
5.Package includes 5 pack 3/8" to 1/4" convert screw adapters.