full length: 64.5 mm Mount diameter: 10 mm Color: Black + Red Accept insulation terminal, fork,banana plug or bare wire . This product is gold-plated,It contains four screws. There are two black and two red Thickness of panel thread is 25mm Suitable for speakers with wooden cabinet. contents of supply: 1× 4 speaker terminal Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/-1-3cm.