Applicable to tapes like those employed in backpacks, handbags, cyclists' helmets and similar goods, it is constituted by means of a piece (1) injected in plastic in which are defined two bodies (2-3) connected by means of a hinge (4), these bodies coming with respective slots (8-8') for the passage of the tape to which the termination has to be coupled, and one of said bodies (3) having side claws (6) which, through elastic, deformation of said body, can couple into complementary recesses (7) in the other body (2), in order to stabilise the clamp formed by the termination in the closed position upon the tape.