This Wheat Chain (also called SPIGA chain) is solid Sterling Silver made in Italy, 3/16 inch (5 mm) thick, its made with half round wire for a very classy effect and is the heaviest of the 4 gauges we carry. This chain can be worn by itself or can be used for large pendants. The quality is excellent that it is very flexible and smooth. It is high polished finish and comes with a lobster clasp for easy wear. This chain as with all our chains is NICKEL FREE.