PHOCUS Baby Ball Head Adapter for mounting ball head, tripod head to a light stand, boom arm or C stand for Photo Studio Video. Since most grip gear and lighting equipment uses a baby 5/8"(16mm) spigot, this ball head adapter provide extra versatility to your camera ballhead or tripod head.
Each produce includes a baby 5/8" (16mm) receiver and a wide plate with 3/8"-16 thread.

Specifications:
Material: Aluminum Alloy
Wide Plate: Diameter 2.2inch / 5.6cm
Height:3.35inch / 8.5cm
Net Weight: 5.47oz / 154g

With this Camera Mounting Platform Adapter With Male 3/8" Thread, you can mount your favorite tripod head to any clamp, grip head, or stand that accepts a 5/8" stud.
On one end of this adapter is a 3/8"-16 male thread and a wide platform to mount a tripod head or laptop/projector platform.
The opposite end features a standard 5/8" stud. It is attachable with super clamps, grip heads or stands which has a 5/8" baby spigot receiver.
Specifications:
Material: Aluminum Alloy
Wide Plate: Diameter 2.2inch / 5.6cm
Height:1.9inch / 4.8cm
Net Weight: 3.42oz / 97g