Compact Galvanised Boom Barrier with an aluminium reflective red & white arm, integrated support arm, and with a maximum drive through width of 3960mm Unique Gas Strut Operation With an integrated support arm Aluminium reflective boom Anti-Sit feature boom arm Automatically locking in both open & closed positions Key operated (to differ) standard Optional Keyed alike version or triangular key use Surface fixed as standard (optional sub-surface on request)