180PCS Solder Seal Wire Connectors, Heat Shrink Butt Connector Waterproof Insulated Electrical Butt Terminals Blue 16-14 AWG for Automotive Marine Trailer Wiring by DEPEPE;

You will receive 180pcs blue 16-14 AWG heat shrink butt connector.

Features:
Ratio of the connector is 3:1
Waterproof level: IP67
Operating temperature: -55 ℃ -125 ℃
Thick barrel ensures strong crimp every time - your wire will never slip out of the connector.

Steps for usage:
1.Measure your wire and choose the right size connector by looking at wire gauge imprint.
2.Insert the two wires to the right connector and crimp the metal part in the middle of the connector by pliers.
3.Apply heat to the two end of the connector to make it tighten up the wire.