PEPPERLONELY Brand 10PC Metal Shank Button Round Antique Copper Spray Painted Blue Single Hole Heart Pattern 18.0mm( 6/8) Quantity: 10PC Size: 18.0mm( 6/8) Hole size: 2.3mm( 1/8") Thickness: 7.1mm( 2/8") Material: Zinc metal alloy(Lead and Nickel Safe)