A manual tool includes a support (1) with stops (20) on which the carving elements (2) are arranged and includes a first central tubular sector (7) having a hollow interior; second lateral sectors (10); wings (11) facing each other that start from each of the second sectors (10); a recess (12) between both wings (11), for housing the carving element (2); and a rotating part (16) mounted between the wings (11), that includes two couplings (15) and two housings (17) and (18), in which the rotating part (16) is rotatory between a first position in which the carving element (2) linked to the first housing (17) while the carving element (2) linked to the second housing (18) is oriented inwards the recess (12) and a second position in which the carving element (2) of the first housing (17) is oriented inward toward the recess (12).