420PCS Heat Shrink Butt Connectors, 26-10 AWG 3:1 adhesive-lined heat shrink, built-in wire stop, 4 color-coded sizes for marine, automotive, and trailer wiring

COMPLIANT WITH ALL RELEVANT STANDARDS: With 420 PCS (170 PCS AWG 22-16, 100 PCS AWG 16-14, 50 PCS AWG 12-10, 100 PCS AWG 26-24) heat shrink waterproof wire connectors are compliant with ROHS, ISO 9001:2008, SGS, and CE standards.
HIGH-QUALITY COPPER CORE: Heat shrink butt connectors utilize a copper core with a higher thickness rating. This makes your connection project safer and better fulfills our customers' quality needs.
HIGH-QUALITY HEAT SHRINK: Translucent heat shrink tubing offers high tensile strength and resistance to stretch and minimizes mechanical damage. The thick barrel ensures a strong crimp every time. The inner wall of the heat-shrinkable tube contains enough hot melt adhesive to ensure waterproof performance reliability. Your wire will never slip out of these heat shrink wire connectors.
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 select the right connector.
WIDE APPLICATIONS: High quality 3:1 shrinkage tubing has a heat-activated sealant lining to provide a complete secure seal. It's flame-retardant, waterproof, and can be used underground. Compliant with all electrical standards, perfect for marine and automobile applications, whether you are working on your boat, vehicle, home, or scientific project