uxcell Speaker Round Cup 2-Terminal Binding Post Board 3" Diameter 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";Size : 75 x 32mm/ 3" x 1.3" (D*T) Net Weight : 23g;Package : 1 x Speaker Binding Post Terminal