10 K Run - Filigree Heart Post Earrings. 10 K Run is approx. 0.42 x 0.52 x 0.11 (HxWxD) including loop. 10 K Run is smooth on both sides. Silver plated Filigree Heart has a steel post. Earring post is approx. 15.4 x 8.25 x 2.2 mm (HxWxD) including loop. Earring backs are Bullet ''Clutch'' Style with Plastic Pad. PLEASE NOTE: Our products are not intended for individuals 14 years and younger.