This product is a speaker terminal, made of solid materials, safe and durable. It can serve you for a long time without being easily damaged. The product is an excellent speaker terminal that can bring you more convenience, allowing you to have comfortable experience. Features -Color:Black -Material:ABS, zinc alloy -Size:8.00X8.00X3.80cm/3.14X3.14X1.49in -Size:6.50X6.50X3.50cm/2.55X2.55X1.38in Square size: 80mm/3.1 inch Hole diameter: 65mm/2.6 inch Wall screw hole distance: 60mm - This speaker box terminal is easy use, quick connect and disconnect, easy to install and use. - The back requires spade connectors, mini spade connectors, or direct soldering of speaker wire. - Note: Rear connections use quick disconnect connectors. Positive and negative flags to ensure proper wiring. - Replace your old or broken speaker terminal with a new one. - Characterized by a sturdy and reliable texture, not easy to break, serving you for a long time. Package list: 2 x speaker boxes