... ~80. The tube is black in color and the cover is black, red , yellow and blue in color etc, and oil resistant .High tensile strength ... ~45. The tube is black in color and the cover is black, red , yellow and blue in color etc, and oil resistant .High tensile strength ... 120. The tube is black in color and the cover is black, red , yellow and blue in color etc, and oil resistant .High tensile strength ...