Maximum Door Leaf Weight: 140 kg Minimum Door Leaf Width: 475 mm Maximum Opening: 2800 mm features: Two door telescopic set Compatible with SDS Standard 140 Track and Fittings Components required to make two doors telescopic: One length of track 2 x door width One length of track 3 x door width One two door telescopic kit One mounting tool Two door set consists of: 1 Long cross-arm set 1 Short cross-arm set 2 Short cross-arms 1 Door leaf adapter 1 Wall/ceiling adapter 1 Carrier 4 Spacer sleeves 1 Compression-type sleeve 1 Wire rope