[Combination]Precise Adjustable Clamp: The precise mount great versatility for the positioning of access,Durable Arm Design: The adjustable arm with locking control knobs to release or enlarge the tension which can give all position movement as you . [High Quality]Superhard Metal Material: The ultra durable material the super steady and position of your device stand on it. [Useful] Seivel Head: With a 360 swivel head at of the arm makes you a comfortable use when you need any angle of the device. [Easy] Ergonomic Design: Ergonomic design with one knob locks all position, single Lock to all moving parts, easy to use for people of all ages. Product Parameters: Folded size: 30.5 * 6.3cm Max. Load: up to 2 kg Colour: Black Material: Aluminum alloy Package Contents: 1 * Arm Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.