SMALLRIG 15mm Single Rod Clamp with Hot Shoe Mount Micro Ball Head for LCD Monitors - 805 The rod clamp kit can be used to work with single 15mm rod and accessories with 1/4-20 thread, such as monitor and phone mount, etc The ballhead is 360 degree adjustable that allows you to secure at any angle as per your need The rod clamp comes with a cold shoe mount or you can remove it to attach other accessories The wingnut is made to help you secure the rod clamp and the ballhead quickly and tightly Made of aluminum alloy, sturdy and durable