6-401. 1/0-4/0 ga. red, six/ 2" Pcs. polybag. STA-DRY Heavy Duty Dual Wall. Waterproofs, seals and insulates. Adhesive lined cross-linked polyolefin. Colour-coded for polarity identification. Dielectric strength: 500V. C in part number denotes clamshell package. Ideal for battery cable. Heat Shrink Tubing.