Ref. : FBLS.02.BH.06 / FBLS.02.BH.07 / FBLS.02.BH.08 / FBLS.02.BH.09SFBLS.01.BH.06 and FBLS.02.BH.07 are clasps developed in the 60s for pearl necklaces and bracelets. Full opening is for FBLS.02.BH.06 on the side and for FBLS.02. BH.07 by positioning the blade at 90 ° to the box. The construction, in addition to allowing the closure of a hand, is very simple and safe. The FBLS.02.BH.08 is with the simplest box construction compared to the basic model FBLS.02. BH.01. The FBLS.02.BH.09S is with the security in the pusher.