Tibetan Silver 3D Helmet Charms | 3D Helm Charms suspended from your choice of silver plated or solid sterling silver earwires. The helmets measure about 17mm x 10mm x 13mm = ~11/16" x 3/8" x 1/2". On earwires, they dangle just over 1" long. All lead and nickel-free metals used. Sold by Pair.