The double arm boom stand offers a long and flexible working distance, while the advanced ball-bearing technology allows the arm to glide with little resistance. The solid cross block and brass inserts improve movement, while the friction collar secures the peg and allows the microscope to rotate around a vertical axis. Its rotating, swiveling, and tilting functionalities allow for it to cover wide, horizontal and vertical viewing areas. The solid steel, rectangular base provides a solid foundation to fit your observational needs.