Pair of hairdresser's scisors

Improved hairdressing scissors, of those constituted from hairdressing scissors (1), which have a pair of handles (11), which are joined in turn by a nail (3) that holds them and allows the movement of the handles (11), characterized in that the handles (11) have a perforation (12) in the middle area, in which a connecting piece is placed that takes the form of a "U" (2), provided with a groove (21) and an opening (22) provided with peripheral or perimeter teeth (26), having a projection (23) that has a terminal (24) and a notch (25), positioned between the terminal ( 24) and the connecting piece that takes the form of a "U" (2).