... any size less than the above panel size.Surface: Grit top, concave, smooth, coveredColor: Green, yellow, grey, red, black, ... grating: with 3-10mm FRP plate molded on the grating, top surface can be smooth, grit top, chequered plate (two design)Install clips: ... profiles, handrail system, stair tread, stair nosing, anti-slip plate, tactile tiles, bracket for electrolysis anode and cathode film separation ...