... Track size: 50 x 40mm, 50 x 35mm Stud and track for partition wall 1. Stud size: 50 ... x 45mm, 50 x 40mm, 50 x 35mm, 75 x 25mm, 75 x 35mm ... 2. Track size: 50 x 40mm, 50 x 35mm, 75 x 30mm, 75 x 40mm, 100 ... . 8mm, 2. 9mm, 3. 0mm 4. Thickness: 0. 35mm, 0. 4mm, 0. 45mm, 0. 5mm, 0. 6mm ... 8mm, 1. 0mm, 1. 2mm 5. Covering channel: 0. 35mm, 0. 4mm, 0. 45mm, 0. 5mm, 0. 6mm ...