3/8'' Inside diameter nylon wire loom tubing. Sold by the foot. Higher temperature rating than standard wire loom. Gray stripe down the full length identifies the loom as high temperature nylon. Full length slit for easy wire insertion while the corrugated flexible design keeps the slit closed even during tight bends. Can hold up to 5 smaller gauge wires such as 18 gauge, or up to 3 12 gauge wires. Excellent wire covering for engine compartment use. Temperature rating of -40° to 300° F, (-40° to 149° C). Manufactured in Canada.