Rigid welded frames connected by cross bracings. Excellent for tall height and Hoist Tower, Easy and fast erection. No tools for erection and no loose fittings. Supplied with 48.3 0.0. tubes for normal use and 60.3 0.0. for heavy loads. Heights: 2, 1.5 and 1 M Widths: 1.8, 1.25,900 M clear Inside Cross Braces in sizes to suit frame spacing of 2.5, 1.5 and 1 M.