Set of 4 necklaces | concrete necklace | concrete jewelry | concrete pendant | big chain | thick chain | thick chain | thick raw brass chain. Each piece of jewelry is 100% handmade by me. 12 mm concrete ball. 40mm round brass frame, filled with concrete, crushed pyrite and tourmaline. Raw brass chains. Length of the chains: Short chain - 16". 2nd chain - 20". 3rd chain - 28". Long chain - 32". The bracelet you receive may not be the same as the one shown on the site. These natural imperfections give crafts their innate character and charm. Please note that while every effort is made to accurately photograph my items and describe the products in detail, I cannot guarantee that every computer monitor, iPad, or phone screen will accurately represent the actual color of the product. These reasons should not be interpreted as faults. Materials: raw brass, concrete, love.