This gold tube slide clasp can be used to layer multiple necklaces, bracelets and other accessories, adding a little structure to jewelry. Simply attach lobster clasps or spring ring clasps (not included) to one side of the tube slide clasp to connect and layer bracelets or necklaces.Details:Gold2 piecesSlide claspBrassSize Information:15mm x 11.5mm (two strands)20mm x 11.5mm (three strands)27mm x 11.5mm (four strands)