Extension Spacer M54 X 0.75 Low Reflection, 12 mm Aluminum Tube with Male Female Threads for Imaging Distance Control and Mounting

Single Piece Per Option: Each selected option includes a single extension adapter, giving buyers a straightforward way to choose the spacing amount needed for train connection and tuning work Compact Optical Profile: The spacer keeps a round shape with an outer diameter of 5.65Cm / 2.22Inch, making it easy to integrate into imaging layouts where consistent threaded distance matters Spacing Control: This extension adapter adds threaded distance in an imaging setup, helping set back spacing while keeping the same interface, finish, and shared accessory story Black Aluminum Build: An anodized aluminum body pairs with a matte interior texture to a stable accessory feel while helping reduce internal around the side optical route Threaded Imaging Connection: M54 x 0.75 Male and female threads form a clean spacer interface that links train components while keeping alignment secure during setup