250Pcs Yellow Heat Shrink Butt Connectors Awg12-10,Haisstronica Marine Grade GREAT VALUE:The package includes 250PCS Yellow heat shrink butt connectors. It is an ideal choice for factories,enterprises,schools or stores where butt connectors are used frequently. APPLICATION AREAS:Wide range of applications in areas such as automotive,watercraft, electrical,and electronics industries. COMPLIANT WITH ALL RELEVANT STANDARDS:Haisstronica waterproof wire connectors are compliant with ROHS, ISO 9001:2008, SGS, and CE standards. 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.