K7389 Plastic Tube Stock PTFE Grade Standard Plastic Length Tolerance Oversized/-1.000 in Outside Diameter 13/16 in Inside Diameter 5/8 in White Plastic Clarity Opaque Shape Round Tubes Impact Strength 3.5 ft-lb/in Friction Coefficient 0.07 Water Absorption 0.01 Percent Plastic Density 0.078 lb/cu in Plastic Hardness 55D