Dura-Tech Magnetic Hock Wraps are ideal for treating horses with hock issues including arthritis, bone and bog spavins as well as high suspensory injuries. Magnetic therapy has proven effective to speed healing by increasing blood flow, reducing inflammation and easing soreness.Dura-Tech Magnetic Hock Wraps contain 6 unipolar magnets in each wrap. The unipolar magnets measure 1100 GAUSS which is low to medium penetration.