Item Type: Camera Extension Mount Bar Material: Aluminum alloy Gross Weight: 37g/1.3oz Ball Head Diameter: 12mm/0.47in Interface: 1/4in Package List 1 x Camera Extension Mount Bar 1Aluminum Alloy: This camera extend bracket is anodized and made of premium aluminum alloy that has long service life, good hand feel. 2360 Degree Rotation: This camera extend bracket adopts ball joint design, universal joint, 360 degree rotation adjustment angle that is very practical. 32kg Load Bearing: The ball extension mount bar is exquisite and small, with a maximum load of 2kg, and can be used for most auxiliary products of photographic equipment. 41/4in Standard Interface: The shooting extend mount arm has 1/4in standard interface, with strong compatibility that can be installed on other equipment. 5Applicable: The extension mount bar can be used to expand products such as fill light microphone phone clip,and the ball head diameter is 12mm.