22-18 AWG Heat Shrink Butt Connector - 100 Pack. Butt splices are crimp connectors used to safely connect one or more wires to another wire. Step-down butt splices are meant to connect a higher-gauge wire to a lower-gauge wire. They can also connect two or more smaller-gauge wires to a single wire. Many connectors feature epoxy/meltable glue lining that reacts to heat to create an environmentally sealed, moisture-resistant connection. Features: made from tinned copper conductor with various insulations; suitable for up to 600 Volts; operating temperature -55°C to 125°C; UL, CSA, RoHS compliant. Benefits: impact resistant, multiple uses, long-term protection, easy installation. Specifications include Wire Range: #22-18 AWG; Insulation Color: Red; Max Wire Insulation Outer Diameter (inch): 0.19"; Package Size: 100; Heat Shrink: Yes. Item and package dimensions: 8 x 3 x 1 inches; item/package weight: 6.4 ounces.