... x 45mm, 100 x 45mm 2. Track size: 50 x 40mm, 50 x 35mm Stud and track for partition wall 1. Stud size ... , 75 x 35mm, 75 x 45mm, 100 x 45mm 2. Track size: 50 x 40mm, 50 x 35mm, 75 x 30mm ... , 0. 4mm, 0. 45mm, 0. 5mm, 0. 6mm All sizes and shapes of steel channels are available Ceiling Channel for ceiling ... , 75 x 35mm, 75 x 45mm, 100 x 45mm 2. Track size: 50 x 40mm, 50 x 35mm, 75 x 30mm ...