Features: This 15mm tube with 1/4 positioning pin ensures precise and secure device connection, metal construction for long performances in photography accessories and camera mounting. with wide compatibility for various photography equipment, it enables toolless installation and efficient operations due to its 30mm length, supporting camera mounting and studio equipment needs. for professional photographers and enthusiasts who frequently switches devices, it saves valuable setup time and enhances workflow for users of photography accessories and positioning pin systems. for indoor studio setups and outdoor shoots environments, it provides stable support across diverse conditions, making it essential for camera mounting and studio equipment applications. from metal to resist damage unlike plastic alternatives, it deliver performances for shoots outcomes in photography accessories and camera mounting tasks. Specifications: Materials: metal Size: 15mm round tube diameter, 30mm length Package Includes: 1PC 15mm Metal Tube With 1/4 Locating Pin note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the Pictures may not reflect the actual of the item.