"Panduit 50 ft Slit wall corrugated loom tubing in black color is made of polyethylene for durability and corrosion resistance. It provides resistance against crush, impact and abrasion. It provides protection for cables. It measures 1.290 Inch inner diameter x 1.500 Inch outer diameter. It has an operating temperature of -40 to 122 deg F. Tubing is RoHS compliant."