Gunmetal Tear Drop Hoop Earrings Get sleek style with Hilary's Gunmetal Tear Drop Hoop Earrings. Each earring measures 40 mm by 25 mm and comes on a pierced hook back. The brass base, gunmetal tone tear drop earrings feature small round rhinestones. Create an unstoppable look by adding this pair of tear drop earrings with your favorite outfit.