100pcs Brooch Pin Backst – 4 Siezs 0.78 in/1 in/1.4 in/1.77in Silver Bar Pins &

The simple yet effective design allows for quick changes, making them perfect for both daily wear and special occasions. 【Versatile Size Options】Available in 4 convenient sizes (20mm/0.79″, 25mm/1″, 38mm/1.49″, 45mm/1.77″) to accommodate various jewelry and badge needs.