The unit was inspected and was found to be used and in working condition. Basic testing was performed on the item, the plunger moves up and down with out binding. The down position produced puffs of air. The unit is mounted on a clear plastic base. Please note photo, Parker Single Action Pneumatic Roundline Cylinder P1A-S020SS-0025 Used Specifications Manufacturer Series: P1A Action: Single Rods: Single Bore: 20mm Stroke: 25mm Maximum Operating Pressure: 10 bar Cushioning Type: Buffer Port Connection: G 1/8 Maximum Operating Temperature: +80C Minimum Operating Temperature: -20C S63 #136 AFH Qty 6913176 887188