1. Parallel open/close double centric gripper by using a highly-reliable taper sliding method 2. It is convenient to carry out moving and positioning 2-items simultaneously by attaching a multi-axis robot. 3. This product is made compact in line with the protection cover for the device protection from external stress factors. 4. No-fueling gripper with high-precision and high-reliability 5. A rather convenient application is possible by using the wiring connectors and piping manifold air ports. 6. It is convenient to carry out a job in a narrow space. 7. It is possible to install the center pusher for positioning parts.8. It has a high gripping power with its light and stable structure. 9. It can attach the approach switch (for the position detection of JAW) conveniently and minimizes the installable space. 10. It allows a minute adjustment of gripping point with its sensor dog screw adjustment method. 11. By using the manifold method, it provides a high reliability and doesn't require air- piping. The appearance can be made compact when installing. 12. It can be easily applicable due to the BBS (Building Block System) method.