UNITOP compact cylinder with octogonal tube. Chromium-plated steel through piston rod (female). Non-Rotating. Type: RO201 Product number: RO201-020-0005 Material of piston seals: NBR. Material: piston- aluminium; Barrel- anodized aluminium. Bore diam. (mm): 20 Stroke length: 5mm Temperature (C): -20…80 Pressure (bar): 1,5 - 10