Hot Dip Galvanised Square Grate & Frame

310x310x20mm, Grate & Frame Set	460x460x25mm, Grate & Frame Set	540x540x25/50mm, Heavy Duty Pit Grate Only
540x540x25mm, Light Duty Pit Grate Only	620x620x25mm, Grate & Frame Set	690x690x25mm, Light Duty Pit Grate Only
990x990x25mm, Light Duty Grate & Frame Set