1. Sturdy and precise movement device with extremely high torque resistance and long service life 2. Reliable gripping through precisely ground sliding guides 3. Sliding guide rail 4. The opening angle of each gripper finger can be freely adjusted up to 90°, thus optimizing cycle time 5. Can be used as a double-acting and single-acting gripper 6. Single acting type or with gripping force support, normally closed (NC) 7. Suitable for external and internal crawling 8. Various adaptation methods on the drive