Item no. 261-311/331-0002-conductor terminal block; on one side with push-button; with snap-in mounting foot; 1-pole; for plate thickness 0.6 - 1.2 mm; Fixing hole 3.5 mm Ø; 2.5 mm²; CAGE CLAMP®; 2,50 mm²; grayColor: Picture differs from the item.