Round cylinders in proven screw-in design with dimensions, piston Ø, piston rod Ø and designs to ISO 6020/1 and CETOP R 58H. Piston rod running surface hardened, ground and polished. Piston Ø and piston rod Ø to DIN/ISO 3320. Strokes up to 3000 mm. NOZNI161 has integrated proximity switches.