Description: brand new and high quality Feature: Double socket arm, made of high-quality material, durable and firm to use. 360Universal angle adjustable, allows for perfect viewing angles. Has socket at both ends that accommodates 1.5 inch ball base. With knob design of two different types for fast losen and tighen. Attaches to any size ball component, including mounting bases and device holders. Suitable for 1.5inch ball for head devices. Easy and simple to install and remove. Specifications: Item Type: Double socket arm Material: ABS Plastic Size: 145mm/5.7in(as shown) Color: Black Optional Type: A, B Suitable: for 1.5inch ball for head devices Quantity: 1 PC Note: No retail package. Transition: 1cm=10mm=0.39inch Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package Includes: 1 x Double socket arm (other accessories demo in the picture are not included )