Are the silver plated metal beads nickel tested

Can I combine them with metal parts

but be aware that sizes may vary slightly between manufacturers

Surface: Coated

Glasfiberperler, oval, brun, 10x8 mm, 10 stk MaterialeForgyldt zamak Are the silver plated metalOval fiberglass beads in brown color for jewelry making and creative projects. Material: Fiberglass Colour: Brown Size measurement: 10x8 mm Quantity: 10 pcs Shape: Oval These oval fiberglass beads in brown shade are suitable for both hobby use and professional jewelry making. The material makes the beads easy to work with, and the uniform shape ensures an even result in your designs. The size of 10x8 mm makes them versatile they are suitable for