SMC MHZ2 Series Air Gripper, Parallel Opening, Closing Linear Guide Parallel Type, MHZ2 20D X12 Riveter Specification item model symbol Specification Specification item model symbol Specification information emphysema U With external stopper patterning standard type size One One rocking angle 180 180° connection port location front port auto switch M9BVL Solid state auto switch Specification item model symbol Specification information With auto switch D With auto switch form pneumatic type Mounting support type B Basic type (with bosses on both sides) tube inner diameter 32 Bore size 32mm Types of port screws Rc cylinder stroke 350 Cylinder additional symbol Rubber cushion