Cast Iron Stove Kitchen Flange Oven Rings BBQ Grill Barbecue Cooking Heavy Duty. External – 590×1070 mm. Landing (under slabs) – 480×960 mm. External – 322×482 mm. (under rings) – 210 mm. Landing internal (under rings) – 173 mm. External – 205 mm. Weight of one plate with a ring: 8 kg. The set includes: a frame, 3 plates and 3 rings.