« Previous page Studio Stands : UST Series : UBA : UBA Ball Bearing Crossarm for UBS/UST Crossarm with ball-bearing rollers lateral movement. Includes accessory mount on both ends. Movement from center column to end of arm: min.280 mm / 11", max. 720 mm / 29" both to left and right.   Related products:   U-52 Computer Tray for UBA » Details