STAY GRATE™ SS3 is a fastening device designed to safely secure steel, aluminium, and fibre-reinforced plastic grates into steel support members in elevated walkways, ramps, pedestrian bridges, machinery surrounds, and oil-rig platforms. STAY GRATE™ SS3 is designed to fasten grates to steel supports, engaging grate frames, loadbars or crossbars, or to engage the junction where multiple grates meet.