Single-Acting Pivot (Spring Return) Non-Rotating Hex Rod Pneumatic Cylinder - Bimba (Original Line Cylinder Series) - 1-1/16" Bore (B1-1/16") - 1/2" Stroke (S1/2") - Rear Pivot Mounting - 5/16-24 UNF-2A (Male) Threaded Rod + 5/8-18 UNF-2A Threaded Mounting Nut - 1/8" NPT Threaded Pneumatic Port - Standard Blackened Carbon Steel RodSingle-Acting Pivot (Spring Return) Non-Rotating Hex Rod Pneumatic Cylinder - Bimba (Original Line Cylinder Series) - 1-1/16" Bore (B1-1/16") - 1/2" Stroke (S1/2") - Rear Pivot Mounting - 5/16-24 UNF-2A (Male) Threaded Rod + 5/8-18 UNF-2A Threaded Mounting Nut - 1/8" NPT Threaded Pneumatic Port - Standard Blackened Carbon Steel Rod