Ref. : FBLS.01.BC.28/ FBLS.01.BC.29 / FBLS.01.BC.30The clasp FBLS.01.BC.28 is designed for bracelets and pearl necklaces. The fixing rings are mobile. FBLS.01.BC.29 and FBLS.01.BC.30 have a blade shape that allows stones to be installed on the box (FBLS.01.BC.30). The free space in the center can also serve for integration of another form of security. The blade must have a heat treatment.