Open Walnut 2 great sterling silver halved walnut. The two shaped as two halves of a cracked walnut, attached to clasps , one is half a shell with the nut in it and the other one is only half a shell with empty interior, together they complete each other into making a perfect walnut. This item was made in the electroforming method. Measurements : Marks : Length: 1.7in. / 4.3cm. Max length: 4.7in. / 11.9cm. Width: 1.35in. / 3.4cm. 1 inch = 2.54cm 925 for Sterling Silver. Weight : 55.5gr. / 1.78oz.