✔HIGH-QUALITY COPPER CORE:Heat shrink butt connectors use a copper core with a higher thickness rating.This makes your connection project safer and better meets our customers’ quality needs! | ✔HIGH-QUALITY HEAT SHRINK:Translucent heat shrink tubing provides high tensile strength and resistance to stretch and minimize mechanical damage.The thick barrel ensures a strong crimp every time.The inner wall of the heat-shrinkable tube has enough hot melt adhesive to ensure waterproof performance reliability.Your wire will never slip out of these heat shrink wire connectors. | APPLICATION AREAS:Wide range of applications in areas such as automotive,watercraft, electrical,and electronics industries.Heat shrink butt connectors offer 4 different sizes, making repair work much more versatile and efficient | COMPLIANT WITH ALL RELEVANT STANDARDS:Our waterproof wire connectors are compliant with ROHS, ISO 9001:2008, SGS, and CE standards. | RECOGNIZABLE:Tubings of varying colors with easily recognizable wire gauge markings. Simply measure the wiring, and by checking the mark of wire gauge of the polyolefin tubing, then you can quickly choose the right connector.