Seachoice Step Down 3-To-1 Heat Shrink Butt Connectors, Wire Range: 12-10 to 8, Red

Marine grade and designed for connecting different wire gauges. The gauge is marked on each end of the connector and also displays a corresponding color band. 99. 9 % pure copper with seamless tube, tin plated. Proprietary nylon/polyolefin 3:1 shrink ratio tubing with adhesive lining provides maximum clarity for wire inspection purposes, faster shrink times and improved abrasion resistance. Simply insert the wire, crimp and heat shrink for a complete environmental seal.