Specification：

1. Made of aviation-grade aluminum CNC machined with lightweight design, weighing only 14g/51g, light and durable.
2. Knob-type adjustment, smooth and stable rotation, can be installed quickly, more stable than sp ring-type and effectively prevents loosening.
3. Suitable for installing various 37mm lens filters, the bracket has a rich expansion position, a cold shoe slot at the bottom, and a 1/4 screw hole on the left; suitable for tripod selfie sticks, fill lights, etc.
4. The bracket is installed on the top of the phone, which not only retains the original grip of the phone but also has an unobstructed view of the screen, comfortable and beautiful.
5. Comprehensive protection to avoid damage to the phone; the surfaces in contact with the phone are equipped with corresponding protective pads.

Product Parameters:

1. Size: 48*88*17MM/90*48*30MM (retracted state)
2. Color: black and red
3. Material: aluminum alloy + stainless steel
4. Name*Quantity: Aluminum alloy mobile phone filter bracket 37MM filter adapter accessories*1