Set Of 4 Magnetic Healing Bracelet With Natural Round 8mm Hematite Beads Hematite is a very grounding and protective stone. It dissolves and deflects negativity, and prevents you from absorbing the negativity of others. Bracelet Details – Bracelet is Medium Size 24 Natural Magnetic Hematite Beads – The hematite balls are 8mm in diameter. Unworn the bracelet is approximately 65mm in diameter, but will easily stretch to fit most wrist sizes. What is Magnetic Therapy? Magnets have been used since ancient times for their healing properties. Magnetic therapy is believed to relieve aches and pains, and also speed up the healing of injuries. It also promotes general health, wellbeing and may also help relieve stress.