Model (A) M5 Telescopic 770 (B) M5 Telescopic 890 (C) M5 Telescopic 990 (D) M5 Telescopic 1180 Opening Sizes Width X 1820mm High Front Side (A) 730 - 770mm N/A (B) 830 - 890mm N/A (C) 930 - 990mm N/A (D) 1120 - 1180mm N/A Colours/Finelines White Polished Sliver Ivory (A) 5134945 5136468 5136476 (B) 5131604 5131612 5131620 (C) 5136484 5136492 5136507 (D) 5131638 5131662 5131670