Packing: 2pcs Material: brass Colour: silver Type: 4 position, mounting hole size: 5mm/0.19inch, mounting hole distance: 10mm/0.39inch Size: 19mmx29.5mmx19mm/0.75inchx1.16inchx0.75inch Durable to use, easy to operate, stable and long-lasting performance. Sturdy, rust-proof, corrosion-resistant, durable and long-lasting. Loosen the screws, then insert the wires into the holes, and finally tighten the screws to keep it firm. Widely used in almost all electronic equipment for distribution boxes.