Ref. : FBLS.01.BC.09 / FBLS.01.BC.10 / FBLS.01.BC.11 / FBLS.01.BC.12 / FBLS.01.BC.13 / FBLS.01.BC.14 Box clasps single blade are often used in interchangeable jewelry or multiple clasps. For example, under folded blade box clasp it is possible to install one or more single blade clasps. It's their reduced thickness that allows this. We offer a series of clasp with reduced dimensions. These clasps can be used in constructions that require multiple clasps at the same location (FBLS.01.BC10). The boxes are made of profiles and you just need to drill the opening for the blocking point. The construction is safe and simple. The rest of the clasps are with saw blade profile and different operation. For example the clasp FBLS.01.BC.13 to be disengaged it is necessary to apply a force perpendicular to the length