Self-retaining design helps maintain exposure during cardiovascular, general, neurosurgical, and orthopedic procedures.Nine-and-a-half-inch length provides useful reach across varied operative access requirements.Hinged blades support controlled positioning while adapting to changing exposure needs.Three-by-four sharp prongs provide focused retraction at the operative site.Ring handles offer a familiar grip for controlled instrument manipulation.Ratchet catch helps maintain blade positioning, su