Thin, Flexible Ball Head Pins for FW Pearls, Gunmetal Black plated over Copper 24g , 5cm (2 Inch) 100 Pieces, Nickel Free, Hypoallergenic Firm Hypo-allergenic, Nickel Free Ball Headpins. Suitable for most sensitve ears Quantity: Approximately 100 (ONE HUNDRED) pieces Size: Headpins-24 gauge, 50mm long (2 inches); (approximate). Very THIN Pin Read DESCRIPTION below; Draw the measurements with a ruler and refer to additional pictures to assist with size. Earrings (not included) demonstrate size/use. Material: Gunmetal Black colored plating over copper ; Plated Items should avoid Moisture and Store away from direct lighting