... 4.eco-friendly material 5.can be lead fre Grommet-Copper -----Rolled Rim Grommets & Spur Washers interlock with their teeth grasping ... Grommet 2. Material: brass 3. Assorted colors: Antique Brass, Antique Copper, White Nickel, matt Nickel, Black ox, gunmetal, Gold. 4. inner ... holding strength is needed 6. MOQ: 50,000 sets Grommet-Copper