... available width and thickness.Ceiling channels: 1) Supporting channel: a) U 38 x 0. 7, 0. 8, 1. 0 ... 0, 1. 2mm c) U 60 x 1. 0, 1. 2mm 2) Covering channel: a) C 50 x 0. ... 0. 60mm Drywall metal studs: 1) Horizontal channel: a) U 75 x 0. 31, 0. 35, 0. 40 ... 60, 0. 70mm c) U 150 x 0. 80, 1. 00mm2) Vertical channel: a) C 75 x 0. ... 1. 00mmCeiling T-grids:Features: 1) 38#: a) Main beam 38mm high b) T profile 26mm ...