3M Heat Shrink Butt Waterproof 12-10 AWG

Suits cable/ wire sizes 4.0-6.0mm² 12-10 GA

3M Heat Shrink Butt Connectors Marine Electrical Wiring Waterproof 12-10 AWG

Features：
100% brand new and high quality
Standard crimp and then seal heat shrink butt connectors
Guaranteed to hold the strong crimps
Dual-walled design, polyolefin tubing in outside and hot melt adhesive in inside
Allows visual inspection, prevents corrosion, and provided a waterproof seal
For best results use a hot air gun until it reduces in size and the adhesive flows, filling gaps within the terminal