VERSATILE FOR ALL APPLICATIONS - This electrical terminal box includes male and female connectors, ring connectors, spade connectors, and butt connectors. You'll find the right connector for all your electrical wiring needs. EXCELLENT WIRE CONTACT - The copper barrel provides increased current flow and ensures less voltage drop, preventing wiring failures and reducing equipment downtime. EASY TO IDENTIFY - Three different colors (red, blue, yellow) for easy identification. The terminals are characterized by good conductivity, insulation, and safety performance. VARIOUS APPLICATIONS - Widely used for household, automotive, etc. Comes with a transparent box with compartments for easy storage and transport.