Product description:
Material: Speaker terminal cups are made of durable plastic, copper and gold-plated metal.
Size: Overall size is 3 inch round, cutout size is 1.938 inch round
Easy to use: Rear connections use quick disconnect connectors, positive (red) and negative (black) indicator lights to ensure proper wiring.
Usage: for speaker cabinets, home speakers, car speakers.
Package includes: 2 pcs 3 inch speaker box terminal cups