Size(Wall thickness x Width) (mm) 4x 25, 30, 35, 40, 45, 50, 55, 60, 65, 70 5x 25, 30, 35, Size(Wall thickness x Width) (mm) 4x 25, 30, 35, 40, 45, 50, 55, 60, 65, 70 5x 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90, 95, 100 6x 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90, 95, 100, 105, 110, 115, 120 8x 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90, 95, 100, 105, 110, ...