TECHNIFOR CN212CSP/K MARKING SYSTEM CONTROL 6 BAR. We would like to thank you for shopping with PLC Toolbox Supply! As a customer you are responsible for these charges. We will do our very best to work with you to meet your demands. PLC Toolbox Supply only sells new surplus items or used items that were pulled from known working machinery.After we receive the item back at our facility, we will confirm that the item is indeed ours and defective. After we make our confirmations then we will replace the defective item with an equivalent item. PLC Toolbox Supply will not be responsible for resulting damage to items or components caused by either internal or external equipment or shorted connections. We sincerely value our customers and your 100% satisfaction is very important to us!