Stainless Steel Silver Baroque Straight Drilled Large Hole Freshwater Pearls 15 inch 30 pcs We custom produce our line of high quality freshwater pearls by color and by 2.5mm hole size. This pearl has a strong Silver base hue with the look of stainless stell's metallic glint but muted silver appearance. We feel that this unique product will allow designers to create jewelry with a high-end appeal and style with their measure of approximately 11mm diameter by 12-14mm length.