2-Port Insulated Inline Splice Connector, 2-14AWG Multi Tap, Single-Sided Entry Package Dimensions: ‎2.64 x 1.81 x 1.42 inches 【Robust Insulation and Structure】: MK insulated 2-port wire connectors are designed for wires in the 4-14 AWG range and can be used in various wiring applications. The package contains 1 pack. 【High-quality Materials】: The body of these electrical wire splice connectors is constructed from 6061-T6 aluminum for durability. They are pre-filled with oxide inhibitors to effectively extend the service life of the connector kit. PVC insulation provides excellent protection. 【Aluminum-Copper Wire Connection Solution】: These wire splice connectors are specially designed for a variety of wiring needs, supporting safe connections for copper-copper, aluminum-aluminum, and copper-aluminum wires. They are well-suited for both residential and commercial electrical wiring applications. 【Easy to Install】: These multi-port cable connectors feature a 2-port design and single-sided entry for easy wire insertion. The slotted Allen hex design allows for firm and straightforward tightening. 【Quality Assurance and Durability】: These Pre-Filled Oxide Inhibitor Connectors have a temperature resistance range of -10℃ to 90℃ and a voltage resistance of 2500Vac/1Min, ensuring reliable performance in various environments.