MagiDeal Approx.100Pcs Jewellery Making Cord End Crimps Connectors 10mm Silver Material: Copper with Stainless plating Color: Silver Stainless Size (L x W): Approx. 10 x 4.5mm Used for finishing the ends of cord - place cord in centre of crimp and fold the sides over to secure Mainly used for thicker cords like waxed cotton cord