Rudraksha can protect your body against the negative energies.. Rudraksha is known to enhance the power of mind and sharpen focus and concentration.. Rudraksha is also used for treatment of various diseases in traditional Indian medicine.. The seeds show variation in the number of grooves on their surface, and are classified on the basis of the number of divisions that they have.. Features-. 5 mm natural Black Stars beads.. 5 mm Rudraksha beads.. Clear elastic cord.. Size: one size fits all.