Made in Germany by Josef Bergs Co. This high quality brass open back Sew-On Setting has four holes - 2 holes each side. With flat rims on the back, 4 prongs are designed to accomodate most Drop pearshape 18x13mm fancy crystal stones. Sold in Raw Brass, These settings can be used for soldering and creating your designs. Ready for plating or use as is. Check out our selection of stones to fit these settings!