Specification Brand : PPCLION BulletPoint1 : Shrinkage: 3:1, material: polyolefin, color: clear. BulletPoint2 : Diameter before shrink: 1/2 inch, package: roll, length: 41 feet. BulletPoint3 : Glue inside: heat activated adaptive will melt out after heating, so as to form a protective layer at the wire connection, so as to achieve the purpose of sealing, insulation and waterproof. BulletPoint4 : Dual Wall Clear heat shrink tubing: after heating and shrinking, the transparency of the tube will be higher, and the surface information of the wrapped material can be clearly seen. BulletPoint5 : Professionalism: our heat shrinkable tubes pass UL and CSA certified, RoHS compliant, industrial standard Color : Clear ConnectorGender : Male-to-Male ConnectorType : Optical CustomerPackageType : Standard Packaging ExternallyAssignedProductIdentifier : 6185590400042 ExternallyAssignedProductIdentifier1 : 3760325001553 ExternallyAssignedProductIdentifier2 : 03760325001553 InstallationType : Self-Adhesive ItemName : 41 Feet 1/2" Clear Heat Shrink Tubing Roll 3:1,No Wrinkle Electrical Shrink Tube for Wires,Marine Grade Shrink Tube with Adhesive Lined Waterproof ItemPackageDimensions_Height : 30.988 centimeters ItemPackageDimensions_Length : 3.302 centimeters ItemPackageDimensions_Width : 30.7086 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : heat-shrink-tubing Manufacturer : PPCLION Material : Polyolefin ModelName : 850 heat shrink tubing ModelNumber : clear12.7--roll NumberOfBoxes : 1 NumberOfItems : 1 PackageLevel : unit PartNumber : clear12.7--roll ProductDescription : Shrink tube are mainly used for industrial, ship, wire links, anti-rust and anti-corrosion protection of solder joints, and audio and electrical DIY. Wire ends, harnesses, electronics protection and insulation treatment, fitness equipment parts and steel structure surface protection and so on. 3:1 heat-shrinkable tube has the advantages of good electrical insulation, good sealing, corrosion resistance and high temperature resistance. Anti aging, tough and tensile resistance. Don't worry about the after-sales problem. If you don't like it, you will be able to return it for free. Just contact us in the email to solve it, and help you to solve it within 12 hours.