These are beads engraved with the motif of a Mani wheel (Mani korlo). This is a type of Buddhist tool used in Tibetan Buddhism, and is sometimes used as an accessory part for bracelets, etc. Design: The cylindrical beads are engraved with mantras such as the "Six-Syllable Mantra (Om Mani Padme Hum)," a mantra in Tibetan Buddhism. Uses: Used in jewelry such as bracelets and prayer beads as amulets and good luck charms. Thank you for viewing.