Well Pump Wire Splice Kit, Submersible 3M Dual Wall Heat Shrink Tubing and Copper Connector for 4 Wires, 10#12#14 AWG. 4 x 3M Tubings and 4 x butt connectors Dual Wall Heat Shrink Tubing and Pure Electrolytic Copper Connector Clear tubings allow you to see through inside the splice Ideally for submersible deep well pump application Quality 3M tubings for groundwater and other water tight applications