3M Heat Shrink Heavy-Wall Cable Sleeve ITCSN-1500, 3/0 AWG-400 kcmil, Exp./Rec. I.D. 1.50/0.50 in, 25 ft Reel length, 1/Case 3M Heat Shrink Heavy-Wall Cable Sleeve ITCSN are designed to provide reliable performance for electrical splices, connections and terminations, as well as mechanical and environmental protectionFabricated from cross-linked polyolefin, this tubing is highly split-resistant and fast-shrinking to provide rapid installation. Product Information Brand 3M Part # 7000132373 Origin Country USA Product Type Sleeves Product Information4:1 shrink ratioCERTIFICATIONS: UL Listed, CSA Certified, and RoHS 2011/65/EU CompliantComposed of cross-linked polyolefinCut-to-length sleevesFactory-applied adhesive/sealantSplit resistant and fast shrinkingSuggested ApplicationUse to ensure the reliable performance of electrical splices, connections and terminationsDesigned to provide mechanical and environmental protectionCan be direct buried or submersible