An apparatus is provided for approximating the jaw structure of surgical instrumentation. The apparatus includes a first jaw structure and a second jaw structure. The second jaw structure is disposed in spaced relation to and connected with the first jaw structure. The first and second jaw structure are interconnected for measurement of body tissue. An elongated endoscopic section extends proximally from the first and second jaw structure. A remote actuation member is connected to the proximal end of the elongated endoscopic section and is provided for relative movement of the first and second jaw structure. The apparatus further includes at least one indicating device which exhibits movement of the jaw structure.