This listing is for a carnelian wrist mala bracelet with guru bead. There are 21 beads plus the guru bead and each bead measures 8mm approximately. The beads came from Nepal and strung by myself. It is made adjustable to fit any wrist size. Prayer beads usually used for meditation, saying mantras and prostration and so on. Wrist malas are used for prostration especially Malas are worn on the left wrist while not in use. You can usually see monks using malas in those Tibetan monasteries around the world. In those Tibetan Buddhist philosophy university, monks use the regular mala for debating. Just let me know if you have any other questions and please check back later as we are always adding more new products.