uxcell Speaker Square Cup 2 Terminals Binding Post Board 2.2" x 2.2" Product Name : Speaker Binding Post Terminal;Connector Type : Screw Type Binding Post Color : Black & Red, Gold Tone;Plate Color : Black Material : Plastic & Metal;Screw Hole Diameter : 4mm/ 0.157" Mounting Hole Diameter : 4mm / 0.157";Plate Size : 57 x 57 x 37mm/ 3.6" x 3.1" x 1.5" (L*W*T) Net Weight : 51g;Package : 1 x Speaker Binding Post Terminal