Drywall metal studs: 1) horizontal channel: A) u 75 x 0. 31, 0. 35, 0. 40, 0. 45, 0. 50, 0. 60, 0. 70mm B) u 100 x 0. 60, 0. 70mm C) u 150 x 0. 80, 1. 00mm 2) vertical channel: A) c 75 x 0. 31, 0. 35, 0. 40, 0. 45, 0. 50, 0. 57, 0. 60, 0. 70, 0. 80mm B) c 100 x 0. 57, 0. 60, 0. 70, 0. 80mm C) c 150 x 0. 80, 1. 00mm Drywall metal studs: 1) horizontal channel: A) u 75 x 0. 31, 0. 35, 0. 40, 0. 45, 0. 50, 0. 60, 0. 70mm B) u 100 x 0. 60, 0. 70mm C) u 150 x 0. 80, 1. 00mm 2) vertical channel: A) c 75 x 0. 31, 0. 35, 0. 40, 0. 45, 0. 50, 0. 57, 0. 60, 0. 70, 0. 80mm B) c 100 x 0. 57, 0. 60, 0. 70, 0. 80mm C) c 150 x 0. 80, 1. 00mm