Features: Ulanzi ST-07 is an essential photography accessory for your mobile photography, vlog shooting. Open distance 5.6cm~8.3cm, suitable for clamping most smartphones. Two universal 1/4"-20 threaded mounts are compatible with most tripods, selfie sticks and other accessories. With 1 cold shoe mount for LED light/external microphone & other video accessories. Mainly made of ABS, very durable. Non-slip soft rubber on the contact surface can provide complete protection for your smartphone. Specifications: Brand: Ulanzi Model: ST-07 Material: ABS, rubber and metal Color: Black Opening Distance: 5.6 - 8.3cm / 2.2 - 3.3inch Item Size: 3.5 * 2.5 * 7.5cm / 1.38 * 0.98 * 2.95inch Item Weight: 27g / 0.95oz Package Size: 8 * 4 * 3cm / 3.1 * 1.6 * 1.2inch Package Weight: 37g / 1.31oz Packing List: 1 * Ulanzi ST-07 Phone Holder