Features:
Positive (red) and negative (black) indicators ensure proper wiring
Easy to install with screw lock and easy to use.
4mm banana plugs or spade terminals or bare wires, DIY wiring for speakers
Specifications:
Color polarity coding: red/black
Screw size: 7.1 x 1.4 inches (18 x 3.5 cm) (L x D)
Total Size: 2.2 x 2.2 x 1.1 inches (57 x 57 x 27 mm) (L * W * H)
Screw mounting diameter: 0.2 inch (4 mm)
Opening Diameter: 49mm
Package:
1 x Speaker Box Terminal