description This box spring clasp lock is suitable for bracelet locks and you have to use a spring in the hole to make it work. Item type: 3D print model of the jewelry box clasp lock Size: 20x10x4.16 mm approximate weight: yellow gold 14k: 7.84 yellow gold 18k: 9.38 silver 925: 6.31 File formats: STL,OBJ, 3dm,ZPR (Stl and OBJ file is for printing , 3DM and ZPR file is for editing or modifying in matrix and ZBrush) Recommended Material: yellow gold 14k & 18k silver platinum more jewelry spring clasp locks:
https://www.cgtrader.com/3d-print-models/jewelry/necklaces/parrot-clasp