120PCS Heat Shrink Butt Connectors, 12-10 AWG Yellow 3:1 adhesive-lined heat shrink, built-in wire stop, single-size pack for automotive, trailer, and stereo wiring

High Quality Copper Core: Core heat shrink butt connectors feature a thick copper core, up to 1mm, ensuring safer connections. The high-thickness copper core is a key highlight for buyers.
High Quality Heat Shrink Terminals: Translucent heat shrink tubing offers strong tensile strength and resistance to stretching and mechanical damage. The thick barrel provides a secure crimp every time. The inner wall of the heat-shrinkable tube contains ample hot melt adhesive to deliver waterproof performance. Your wire will never slip out of these heat shrink butt connectors.
Application Areas: Suitable for automotive, watercraft, electrical, and electronics industries, with 3 different sizes, making repair work much easier.
Compliant With All Relevant Standards: These heat shrink butt connectors meet ROHS, ISO 9001: 2008, SGS, and CE standards.
Recognizable: Tubings of different colors with wire gauge markings are easy to identify. Measure the wiring, and by checking the wire gauge mark on the polyolefin tubing, you can select the right connector very easily