HEART LOCK and KEYS KEYCHAIN - RED Enamelled Metal - Best Friends Gift - *Genuine Lock. Keys Really Unlock Your Heart! Great "BEST FRIENDS-inch Gift SET. Fancy Colorful, Red Enamel Metal LOVE HEART charm Necklace with Silver-tone Metal Keys. Metal Lock approx. 1-1/4-inch tall x 7/8-inch wide on 18-inch Silver-tone Keychain with ring. 2- Metal Keys approx. 1-inch Long.