Products HDPE (Polyethylene) Gratings Grating Dimensions*A (mm)B (mm)C (mm)20 – 5050015020 – 5050020020 – 5050025020 – 5050030020 – 5050035020 – 5050040020 – 5050045020 – 5050050020 – 5050055020 – 50500600*Dimensional tolerance: ±5 mm.Colour Chart