1. Completely sealed, so suitable for very harsh environments 2. Able to grasp accurately despite large torque load 3. At the optimal structure size/grabbing force ratio, the gripping force is the largest 4. 8 specifications with total stroke less than 40 mm 5. Can be used as a double-acting and single-acting gripper 6. Single-acting type or with gripping force support, normally open (NO) or normally closed (NC) 7. Suitable for external and internal crawling