Item Type: Tripod Ball Head Adapter <br>Material: Aluminum Alloy <br>Product Size: Approx. 3 x 5.5cm / 1.2 x 2.2in <br>Ball Head Diameter: Approx. 2.2cm/0.8in <br>Interface: 1/4in Screw, 3/8in Screw Hole<br>1、Wide Application: Round ball head diameter 2.2cm, built in 3/8in screw hole, can be directly fixed to tripod, most third party ball joint arm, etc. <br>2、Extended Installation: The knob can quickly lock the device, with 1/4in screw, you can fix various accessories, such as monitor, fill light, etc. <br>3、Easy To Use: Easy to disassemble, you can according to your own equipment and shooting scene needs, free to use with a variety of equipment. <br>4、Safety Design: Ball head adapter with rubber ring and non slip pad to prevent accidental slippage of equipment, to guard equipment from scratches. <br>5、Mini Portable: Compact ball head, the overall length of 5.5cm, portable. Aluminum alloy material, sturdy and durable, fine workmanship, comfortable in the hand.Manual measurement, please allow some errors.1 x&nbsp;Tripod Ball Head Adapter