uxcell 2pcs Speaker Box Push Spring Type Binding Post Terminal Connector Product Name : Binding Post Terminal Board;Connector Type : Screw Type Binding Post Color : Black & Red;Plate Color : Black Material : Plastic & Metal;Screw Hole Diameter : 4mm/ 0.16" Plate Size : 9.2 x 7.9 x 3.7cm/ 3.6" x 3.1" x 1.5" (L*W*T);Net Weight : 117g Package : 2 x Binding Post Terminal Board