4×2 sharp prongs, 15.0 mm deep x 25.0 mm height, 6-1/2″ (16.5 cm) maximum opening, 12-1/4″ (31.0 cm)Horizontal Retractor is a general purpose instrument that can be suitable for a wide variety of surgical procedures such as laminectomies. The 4×2 sharp prongs allow it to effectively grasp and keep a hole on the tissue that it is retracting. Additionally the ring handle makes it suitable for manual operation and the ratcheting mechanism allows it to be locked at specific widths.