Abstract: One-piece self-locking flat clamping band for the fastening and binding of electrical conductors, cables or tubes of pneumatic distribution devices and of similar elements in mechanical engineering and agriculture, the band being able to repeatedly used. The band is provided with a toothing on its surface and with a head on one end with an opening for introduction of the other, tail end of the band. A catch is on provided said head, the catch having a corresponding toothing with a negative inclination of the front surfaces of teeth. The connection of the band can be opened by the tilting of the catch.